A scientist wants to determine the effect of a new type of gasoline. He fills
one car with normal gasoline and another identical car with the new gasoline.
Which is the control group?

A. The new type of gasoline

B. The car with the normal gasoline

c. The car with the new gasoline
The amount of gasoline used

D. The amount of gasoline used​

Answers

Answer 1
The control group would be the normal gasoline. The control group is the one that is most normally used.
Answer 2

Answer:

The correct answer is B) The car with normal gasoline.

Explanation:

A control group is the one that shows "normal" or common characteristics. In this case, the normal group is the one with the usual gasoline. In other fields, the control groups could be the blank ones, like in chemistry or the average ones. In general, control groups show a pattern that could be comparable to the other ones in order to establish whether there was a change or difference or not.


Related Questions

Explain the color of the moon in this image
A) The moons color is the reflection of the sunset on earth
B) The color of the moon is the light that is transmitted from earth
C) The refraction of the sunlight into earths atmosphere gives the color
D) The sun is so large that it rats pass by the earth in lights up the moon

Answers

C.

The rest don't make sense.

The Moon during a lunar eclipse, when the Earth's shadow casts on the Moon, is entering the Earth's shadow which blocks most of the light from the sun. The light isn't totally blocked out, which this gentle glow of red is caused by the light getting refracted by our atmosphere, making it appear a rust color.

Vague explanation.

The refraction of the sunlight into earths atmosphere gives the color explain the color of the moon in this image. Thus, the correct option is C.

What is the colour of moon answer?

The photo of the Moon, taken from space are the true color views of the Moon. That gray color we see comes from the surface of the Moon that is mostly oxygen, magnesium, silicon, iron, calcium and aluminum. The lighter color rocks are generally plagioclase feldspar, whereas the darker rocks are pyroxene.

During a lunar eclipse, when the Earth's shadow casts on the Moon is plunge into the Earth's shadow that blocks most of the light from the sun. The light is not totally blocked out, so this soft red glow is due to the light getting refracted by our atmosphere on earth, makes it appear a rust color.

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How does a dog meet all the characteristics of life

Answers

here's yur answer mate

yur welcome

What is the purpose of the turbines in coal-fired power plants?
O carrying electricity
O burning coal
O generating steam
O converting energy

Answers

Answer:

converting energy ( last choice)

The  purpose of the turbines in coal-fired power plants is to  convert energy.

What is a turbine?

A turbine is a machine that is used to generate electricity. It is attached to any plant in which the purpose is the generation of electricity.

Hence, the  purpose of the turbines in coal-fired power plants is to  convert energy.

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factors that can increase mutation rates are______ a. high temps b. low temps c. food additives d. UV rays

Answers

Answer:

high temperatures, food additives and UV rays.

Explanation:

Factors that can increase mutation rates are high temperatures, food additives and UV rays.

Hope this helps! Please mark brainliest!

Factors that can increase mutation rates are UV rays.

Option D

Explanation:

The physical or chemical agent which damages the DNA and creates mutation are UV rays, gamma rays, and x rays. These rays damages the bonds between  the nucleotides specially between the thymine -thymine nucleotides resulting into thymine - thymine dimer. This mutations disrupts the processes like replication or transcription and can be corrected with the help of DNA repair mechanism of the cell.

On which part of the compound light microscope are specimens placed for viewing?
B
D
E
F

Answers

The answer is Part D.

.

.

.

Specimens are placed on the stage of a compound light microscope for viewing (D) Stage. Therefore , (D) Stage is correct .

Here is a brief explanation of each component:

(A) Arm: The arm is a structural component that supports the microscope head (or body) and connects it to the base.

It provides stability and allows for the movement of the head in a vertical direction to adjust focus.

(B) Head (Body): The head, also known as the body, houses the optical components of the microscope. This includes the eyepiece (ocular lens) and the objective lenses.

Users typically look through the eyepiece to view the specimen. The head may also have additional features like the fine and coarse focus adjustments.

(C) Eyepiece (Ocular Lens): The eyepiece is the lens that you look through when using the microscope.

It magnifies the image produced by the objective lens and typically provides a standard magnification, such as 10x. Some microscopes have eyepieces with a built-in pointer or reticle for measurement.

(E) Nosepiece: The nosepiece is a revolving turret located under the objective lenses.

It holds multiple objective lenses of varying magnifications, allowing users to switch between them easily by rotating the nosepiece.

(F) Base: The base is the sturdy and flat lower part of the microscope that supports the entire instrument. It provides stability and balance to prevent the microscope from tipping over.

In some microscopes, the base houses the illuminator (light source) and electrical components for lighting the specimen.

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Which of the following is a cause of a DNA mutation?
O
A. The linking of amino acid subunits into a long chain
O
B. The transcription of DNA into RNA
O
C. An error in the repair of damaged DNA
D. The diffusion of molecules across the cell membrane
SUBMIT

Answers

That would be C. Error in the repair of damaged DNA.

a wrong nucleotide can be placed while repairing DNA which is considered a mutation.

Answer:

(C). An error in the repair of damaged DNA.

Explanation:

DNA mutation can be defined as permanent changes in genetic material due to alteration in nucleotide sequence. Mutations can occur randomly during replication or can be induced by exposure to mutagens (mutation causing agents).

During DNA replication, various errors take place due to incorporation of incorrect nucleotide base in growing DNA strand and form damaged DNA. These errors are generally repaired by DNA-repair systems of cell.

However, if the damaged DNA is not repaired due to errors in DNA-repair system due to problems, the DNA would become mutated.

Thus, the correct answer is option (C).

Call poison control for someone who has swallowed poison.
O
A. True
B. False
Is this true or false ?

Answers

Answer:

A. True

Explanation:

You should always call poison control for someone who has swallowed poison.

The statement "Call poison control for someone who has swallowed poison" is definitely true.

What is Poison control?

Poison control may be defined as a method of monitoring the individual and prescribing immediate treatment to the person who swallowed poison.

Poison control centers are built in order to provide immediate treatment to the person who swallowed poison through telephonic methods.

Therefore, the above statement is definitely true.

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The image below shows a common blood pressure gauge.


What does this device do?

A.
measures the level of oxygen present in the blood
B.
measures the pressure of blood when the lungs expand and compress
C.
measures the electrical activity of the heart
D.
measures the pressure of blood when the heart contracts and relaxes

Answers

Answer:

measures the pressure of blood when the heart contracts and relaxes..

Blood pressure Gauge, commonly known as a “sphygmomanometer,” which is a device used to measure blood pressure. Thus, option D is correct.

What is the sphygmomanometer?

Every sphygmomanometer works under the assumption that when a hollow rubber air bladder-filled cuff is placed around a limb and inflated.

The pressure inside the bladder equals the pressure on the artery beneath the cuff.

An inflatable cuff that restricts blood flow and a mercury or mechanical manometer that measures pressure together make up a blood pressure.

When the heart beats, the heart muscle contracts (squeezes), propelling oxygen-rich blood into the blood arteries. This pressure is known as the systolic blood pressure.

Therefore, sphygmomanometer measures the pressure of blood when the heart contracts and relaxes.

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What is technology?

A. A method for doing scientific research

B. Science applied to practical problems

C. A system of government

D. The use of science to answer ethical questions

Answers

It’s B. I did research and found that it’s the application of scientific knowledge for practical purposes.

Answer:

It is B. Science applied to practical problem I did process of elimination and also researched on all the other answers and found them wrong.

Explanation:

Question 9 (5 points)
The iron triad of transition metals includes____
iron, zinc, and copper
cobalt, iron, and nickel
copper, silver, and gold,
zinc, cadmium, and mercury

Answers

Answer:

b. cobalt, iron, and nickel

Explanation:

Answer:

It's "Iron, Cobalt, and Nickel."

Explanation:

Hope my answer has helped you!


Which helps prevent errors in DNA replication?

Answers

Answer:

Complementary base pairing

Explanation:

The DNA replication is the process by which one DNA makes exact copies of it during the cell division.

The attachment of bases to one another is complementary which means that the adenine will always combine with thymine and guanine always pairs with the cytosine.

Answer: Complementary base pairing reduces errors) is the answer

Explanation:

I am doing the apecx test i spelled it wrong because it says that it is inappropriate.

what are 3 domains of life ​

Answers

Archaea, Bacteria, and Eukarya.

The three domains of life are Domain Bacteria, Domain Archaea, and Domain Eukarya, encompassing all living organisms based on cellular structure and genetic relationships. Bacteria and Archaea are prokaryotes without nuclei, whereas Eukarya are complex eukaryotic organisms with nuclei.

The Three Domains of Life

The concept of the three domains of life is a central idea in biology, classifying all living organisms into these categorical groups. These domains are based on differences at the molecular level, particularly the genetic sequences and cellular structures.

Domain Bacteria: This group contains prokaryotic organisms that are characterized by cell walls and a lack of membrane-bound nuclei and organelles.

Domain Archaea: Similar to bacteria, archaea are prokaryotes without a nucleus, but they have distinct biochemistry and gene sequences that set them apart from bacteria.

Domain Eukarya: Eukaryotes, organisms with cells that feature a nucleus, fall into this domain. This diverse domain includes plants, animals, fungi, and protists.

The discovery and classification of these domains reflect our understanding of the evolutionary relationships among organisms. The domain Eukarya is believed to be more closely related to Archaea than it is to Bacteria, as indicated by gene sequences. All three domains are thought to have evolved from a single common ancestor, often referred to as the last universal common ancestor (LUCA).

Overall, the three domains of life offer a framework for understanding the diversity and biological relationships of all organisms on Earth.

describe how light waves interact with the clothes you're wearing and your eyes

Answers

Light waves reflect off of certain things and absorb into others, but these things depend on the color of the wave. Your eyes don't see light that is absorbed, but rather reflected off of the surface of the object. For example, a white T-Shirt is white because all light is reflected, as an orange T-Shirt is orange because red and yellow light waves are both reflected.

Final answer:

Light waves interact with our clothes and eyes through reflection, absorption, and transmission. The color we perceive is determined by which wavelengths of light are reflected by the object and absorbed by our eyes.

Explanation:

Light waves interact with the clothes you're wearing and your eyes in several ways, primarily through reflection, absorbance, and transmission. For instance, a shirt you're wearing may appear a specific color because it reflects light waves of that color while absorbing others. This light is reflected from your clothes and then reaches your eye, which processes it and allows you to perceive the color.

The lens of your eye functions similarly to a camera lens or a mirror. It forms an image of the light coming from the surrounding environment, including the light bounced off your clothes. Light from your clothes or the environment is absorbed by your eyes, and depending on the wavelength of the light, you perceive different colors.

In fact, if you're wearing a red shirt, your shirt is reflecting the red wavelengths in the white light that shines on it, and absorbing all other colors. When this reflected red light enters your eyes, the cells in your retina perceive it, and transduce it to nervous impulses that your brain interprets as the color red.

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DNA is always read in the direction___, whereas RNA is read in the___direction.

Answers

Answer:

DNA is read in the 3 prime to 5 prime direction, and RNA is read 5 to 3.

Answer:

DNA is always read in the direction 3' to 5', whereas RNA is read in the 5' to 3' direction.

Explanation:

I just got this question on Edginuity and got it right.

How are the reproductive cycles of a fungus and a pteridophyte similar?

A)Both organisms form fruiting bodies that produce diploid seeds.
B)Both organisms produce haploid spores and exhibit diploid and haploid stages.
C)Both organisms reproduce sexually when two haploid hyphae fuse.
D)Both organisms exhibit a diploid stage and are only able to reproduce asexually.

Answers

Answer:

i think it is D

Explanation: they both reproduce asexually

Answer:

The correct answer is option B.

Explanation:

The sporophytes in pteridophytes is the haploid stage and generate spores. The diploid stage in pteridophytes may take place when two spores combine and give rise to a prothallus, that is, the diploid stage of the pteridophytes.  

A fungus to generate spores by the sporangiophores, its haploid stage. However, on certain occasions, two horizontal hyphae between the two species of fungi, may combine at the tips and generate a zygote via plasmogamy and karyogamy.  

Why are bacteria good for copying large amounts of DNA?
O
A. They do not contain their own DNA.
O
B. They cannot accept DNA from other organisms.
O
C. They can reproduce very quickly.
O
D. They have a very thick cellular membrane.

Answers

I think it’s because they can reproduce quickly

Bacteria are good for copying large amounts of DNA, as they can reproduce very quickly.Therefore, the correct option is C.

What are bacteria?

Bacteria are single-celled microorganisms that belong to the domain Bacteria. They are among the most abundant and diverse forms of life on Earth.They have the ability to rapidly copy DNA due to their fast replication rates. They can divide and produce offspring every 20–30 minutes under optimal conditions, allowing them to copy large amounts of DNA in a short period of time.

This makes them useful in a variety of molecular biology techniques, such as the amplification of DNA through polymerase chain reaction (PCR) or the production of large quantities of recombinant DNA using bacterial cloning vectors.Therefore, the correct option is C.

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Which of the following is a detritivore?

A. Radish
B. Elephant
C. Earthworm
D. Jaguar​

Answers

A detritivore is a animal that feeds on dead organic matter. A good example for a detritivore will be option C "Earthworm." A Earthworm feeds on dead organic matter such as dead plants, animals, rotten fruit, etc...

Hope this helps.

A fly has two alleles for the color of its eyes. the green allele is recessive and is represented by q. the blue allele is dominant and is represented by p. if 44 of 100 organisms are green, what is p?​

Answers

The answer would be C. 0.34

So
p+q=1(when u have 2 alleles)
0.44 of the population has recessive phenotype so is q^2.

q=radq^2=rad0.44=0.663

p=1-q=0.336=0.34

Answer:

[tex]p = 0.34[/tex]

Explanation:

Given -

Green allele is recessive and is represented by "b"

Blue allele is dominant and is represented by "B"

Also out of [tex]100[/tex] organisms, [tex]44[/tex] are green in color. Thus,  all these [tex]44[/tex] organism would have genotype "bb"

As per Hardy Weinberg's equation , frequency of "bb" is represented as [tex]q^{2}[/tex]

Thus frequency of allele "b" would be equal to

[tex]\sqrt{q^{2} }[/tex]

[tex]= \sqrt{\frac{44}{100} } \\= \sqrt{0.44} \\= 0.66[/tex]

As per first equation of Hardy Weinberg-

[tex]p+q=1[/tex]

Frequency of allele "B" will be equal to

[tex]p = 1-q[/tex]

Substituting the value of q, we get

[tex]p = 1-0.66\\p = 0.34[/tex]

A key feature of animal body plans is that they can show multiple types of symmetry. For example, a dog would represent bilateral symmetry, while a jellyfish and other cnidarians would represent

A. spherical symmetry.
B. circular symmetry.
C. planar symmetry.
D. radial symmetry.

Answers

Explanation:

the correct answer is d radial symmetry

Answer:

radial symmetry

Explanation:

PENN

An example of genetic drift

Answers

Answer:

A random succession of births results in all other hair colors going extinct within a village full of redheaded people.

Explanation:

Hope this helps

PLEASE MARK BRAINLEST !!!

How do adaptation affect a species?​

Answers

Hello There!

An adaptation is a way that an animal has changed in its environment that allows the animal to survive.

Adaptations make the species more genetically diverse

Answer: Adaptations helps the organism to have genetic variability.

Explanation:

Adaptations help the organism to survive in the extreme conditions. This is because there is something special in the body of the organism that helps in living the life more smoothly.

In case of any change in the environmental conditions the change in the body of the organism helps in survival. Such as padded feet of polar beer aids in living in such an extreme colder environment.

The polar beers that evolved and adapted in such conditions will survive and rest will not.Adaptation in the body is genetic that aids in physical change.

So, adaptations helps in survival of organisms by genetic variability.

How does interphase prepare cells for mitosis

Answers

Final answer:

Interphase prepares a cell for mitosis through its three stages: the G1 phase, where the cell grows and accumulates resources; the S phase, where DNA is replicated; and the G2 phase, where the cell continues to grow and checks DNA replication readiness. This ensures a healthy cell division.

Explanation:

Interphase Prepares Cells for Mitosis

Interphase is critical for preparing a cell for mitosis. This phase consists of three stages: G₁ (First Gap), S (Synthesis), and G₂ (Second Gap).

The G₁ phase is marked by intense biochemical activity where the cell accumulates the building blocks of chromosomal DNA, related proteins, and energy reserves. During the S phase, the cell synthesizes a complete copy of the DNA in its nucleus. This DNA replication is essential for providing each daughter cell with an identical set of chromosomes during mitosis. In the G₂ phase, further growth occurs, and the cell ensures all the DNA is replicated and begins to reorganize its contents to prepare for mitosis. These steps are crucial as they ensure that the cell is ready to enter the mitotic phase where cell division will occur, resulting in the formation of two genetically identical daughter cells.

In animal cells, an additional preparatory event occurs: the duplication of the centrosome, which is vital for the later stages of mitosis, ensuring that the cell's cytoskeleton is properly organized for division.

It is not possible for global warming to have any positive side effects. Please select the best answer from the choices provided T F

Answers

the answer is F. there is a brightside to everything no matter how small

Answer: False

Explanation:

The global warming is a phenomena in which the increase in the abundance of greenhouse gases like carbon dioxide, methane, water vapor, nitrous oxides and ozone results in the rise in the average temperature due to the fact that these gases trap heat from sunlight. This affects the change in the climatic condition of a region. This entire phenomena is called as greenhouse effect. This results in the melting of glaciers, acidification of oceanic water and other problems.

The positive effects of global warming includes increase in carbon dioxide gas will increase the rate of photosynthesis which may lead to increase in productivity of crops, and increase in planktonic biomass in ocean.

1. What was the independent variable in this lab? *


A. water volume

B. water mass

C. time

D. soil type

Answers

I can’t give you a specific answer because I’m not sure what your lab is. However, an independent variable is the variable that is changed, the dependent variable is the variable that is affected by the change, and the constant variables are those which remain the same throughout the entire experiment.

Hydrogen is group with alkali metals because it

A.Is a metal
B.Has one electron in its outer energy level
C.it is a gas
D.does not readily form compounds

Answers

Hello There!

Hydrogen is group with alkali metals because it "does not readily form compounds"

Hydrogen is found in many substances. Our body needs Hydrogen because essentially everything we see contains Hydrogen.

Option B is correct. Hydrogen is group with alkali metals because it has one electron in its outer energy level.

What are the alkali metals?

Alkali metals are those chemical elements that carry one single electron in their last energy level.

These metals are usually

shiny, soft, and malleable. light and express high reactivity. good electricity and heat conductors.

Although Hydrogen is placed among the alkaline metals, it is not really alkaline.

It is grouped there because of its atomic characteristics because it has a single electron in its outermost layer.

However, it does not express any of the alkaline chemical properties.

Option B is correct. Hydrogen is group with alkali metals because it has one electron in its outer energy level.

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Living organisms respond to changes in environmental conditions such as temperature. Which series lists the correct order in which the body would respond to such a change?
tissue, cell, organ, organ system, organism
tissue, cell, organ system, organ, organism
cell, tissue, organ, organ system, organism
cell, tissue, organ system, organ, organism





Answers

I think it would be the third choice :)

Answer: Cell, tissues, organ, organ system, organism

Explanation:

Living beings shows several changes occurring in the environment by their sensibility.

Cell, tissues, organ, organ system and organism is the correct order of sensing the changes occurring in the external environment of the organism such as temperature change. The cell is the smallest unit of the organism body. The group of cells called as tissue. The group of tissues forms the specialized structure that is called as organ. The organ performs functions in the body of the organism.

The cells exhibit receptors which transfer the information to the tissues, the tissues form the organ system, the organ and organ system generates the mechanism of homeostasis to control the body regulation according to the changing external temperature. Thus the organism survive in the changing temperature.

The process by which Prokaryotic cells divide is known as:

Answers

Answer:

binary fission

Explanation:

The process by which Prokaryotic cells divide is known as binary fission.

prokaryotic cells are cells that do not have a nucleus and replicate through the process of binary fission

The answer is binary fission

what is a specific technique used to produce gmo tomatoes

Answers

Answer:to reduce the amount of bug that are in the fruit

Explanation:

what is the role of
a pioneer species in primary succession​

Answers

The role of a pioneer species in primary succession is to normalize the habitat by making the topsoil more stable and fertile. Explanation; -In primary succession pioneer species like lichen, algae and fungi as well as other abiotic factors like wind and water start to normalize the habitat.

During which succession do new species move into an area and colonize it?
During____
succession, new species move into an area and colonize it.

Answers

That would be primary succession.

Primary succession is when species enter and colonize an area that hadn’t been colonized before.(unlike secondary succession)

During primary succession, new species move into an area and colonize it which is bare before its entry.

What is Succession?

Succession may be defined as the process of gradual and continuous replacement of one community by another community over a long period of time.

Primary succession is always initiated in the bare area where no life has existed before.

Therefore, it is well described above.

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Please help me!!!!!!! 7. In the cycle, a virus integrates its DNA into the host's DNA, and its DNA is replicated when the hostDNA is replicated.A. infectiousB. retroviralC. lysogenicD.lytic which part of a historical essay is used to make a reader interested in the essays topic and summarize its key ideas Help plz thank you so much What is the speed of a 2 HZ wave with a wavelength of 10 m What is a system where wealth and property are privately held and profit is the goal rather than providing for collective needs? A. Capitalism B. Socialism C. Communism D. Feudalism Which of the following properties increase as you move from left to right across a period? Select all that apply.A)Ionization energy B)NoneC)ElectronegativityD)Atomic radius A composite material is to be designed with epoxy (Em 3.5 GPa) and unidirectional fibers. The longitudinal elastic modulus of the designed composite material is to be at least E 320 GPa. If the fiber volume fraction is 70%, calculate the minimum elastic modulus requirement of the fiber material. A piece of copper has a temperature of 75.6 0C. When the metal is placed in 100.0 grams of water at 19.1 0C, the temperature rises by 5.5 0C. What is the mass of the metal? According to the general equation for conditional probability, if P(A n B) = 3/10 and P(B)= 2/5 what is p(alb) A test consists of 10 multiple choice questions, each with 5 possible answers, one of which is correct. To pass the test a student must get 60% or better on the test. If a student randomly guesses, what is the probability that the student will pass the test? a country has a population of about 124 million people and an area of about 1.95km^2. what is the population density of the country? round to the nearest whole number 64 people/km^2 82 people/km^2 122 people/km^2 242 people/km^2 The Mariana Trench is the deepest ocean trench on. This trench occurs at a plante boundary where what is the equation of the line that is perpendicular to -x+y=7 and passes through (-1,-1) ANSWER ALL TO GET ALL POINTS Q1: How do you identify which side is the hypotenuse of right triangles? Q2: What does it mean to be a Pythagorean Triple? Given an example of a Pythagorean Triple. Q3: Explain why Volume must always have cubic units. Match the types of competition to their descriptions Convert ln x = y to exponential form. Which of these were true of the Sandinistas? Select three options. They were led by Daniel Ortega. They created the Somoza dictatorship. They received aid from the USSR. They received aid from the U.S. They supported revolutions in El Salvador. in what form is the following linear equation written y=9x+2 What is the range of the following function:y = 2(5^x) - 1