Answer and Explanation: The difference between point and nonpoint source pollution is that point source pollution has a single, identifiable source while nonpoint source pollution is a collection of pollutants from many different sources, not all of which are readily identifiable.
Answer:
Point source pollution refers to the pollution that occurs from a single identifiable source while nonpoint source pollution refers to the pollution that occurs via many diffuse sources
Explanation:
A phase diagram assumes ______ is kept constant.
temperature
volume
pressure
density
A phase diagram assumes pressure is kept constant.
Answer: choice three
Answer:
pressure
Explanation:
The phase diagram is a graph used to indicate the temperature and pressure conditions necessary to obtain a substance in a specific physical state (solid, liquid or gas). In this type of diagram, pressure is a factor that is kept constant.
The x (horizontal) axis contains the temperature values, and the y (vertical) axis contains the pressure values. In addition, there are three curves connected to a single point (called a triple point), dividing the graph into three well-defined areas, as we can see in the diagram shown above.
In addition to indicating the conditions for the substance to be in a specific physical state, the phase diagram indicates the conditions for any change in physical state to occur.
Which statement is an example of a scientific theory? A. The amount that caffeine affects a person's heart rate differs based on the person's age. B. The Earth is the third planet from the Sun and has one moon, which orbits the Earth. C. Hummingbirds do not like the color white because they visit other colored flowers more often. D. All living organisms are composed of one or more cells, which came from pre-existing cells.
Answer:
Pretty sure it's A because people can redo this test as many times as needed to verify the answer.
Answer:
D. All living organisms are composed of one or more cells, which came from pre-existing cells.
Explanation:
took the test on
According to the theory of isostasy, which statement must be true?
A. The asthenosphere has the same density as the lithosphere.
B. The lithosphere is denser than the asthenosphere.
C. The asthenosphere is denser than the lithosphere.
D. The lithosphere has the same density as the core.
Answer:
A
Explanation:
Isostatic equilibrium is used to state why some regions of the lithosphere have greater elevation than others. The crust ‘floats’on the‘liquid’ mantle below and different regions of the crust submerge into the mantle differentially depending on their local densities or weight. Heavier regions such as in mountainous region (like the Himalayas) are sunken deeper into the mantle that other regions. Every local region has its own local isostatic equilibrium.
Answer:
The correct option is Option C
i.e. Asthenosphere is denser than lithosphere.
Explanation:
Asthenosphere is the layer situated below the lithosphere.
Theory of isostasy says that the layers above the other layer must have lesser density. This has two explanations. Firstly, if its not hold, then the denser above layer would sink below the less denser bottom layer. Secondly, as we go inwards, the pressure increases. This leads to the lower layers have greater density. So, as Asthenosphere is situated below the lithosphere, it has higher density.
What are the two classes of pure substances?
A. Atoms and molecules
B. Solutions and mixtures
C. Elements and compounds
D. Liquids and gases
Elements and compounds
The two classes of pure substances are Elements and Compounds. An element is a pure substance made from a single type of atom and a compound is a pure substance made from two or more different elements that are chemically combined.
The two classes of pure substances are: Elements and Compounds. These are both characterized by having a uniform and definite composition that distinguishes them from mixtures.
Elements are pure substances that are made from a single type of atom. For example, the element Carbon consists entirely of carbon atoms. An element cannot be broken down into any other substance.
Compounds are pure substances that are made from two or more different elements that are chemically combined. For example, water is a compound made from hydrogen and oxygen. Compounds can be broken down into their component elements via chemical reactions.
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How was water separated from the clean, wet laundry hanging on a clothesline?
A. naturally
B. by evaporation
C. due to magnetism
D. by the size of its parts
The correct answer is B. By evaporation
It’s B. By evaporation
logistic growth is characterized by a /an
Carrying capacity
In logistic growth., growth rate decreases when population increases..bcoz population reaches carrying capacity (no. Of individuals environment can support).
Hope this helps you frnd
Answer:
Increase in population size, reaching carrying capacity and less number of resources.
Explanation:
The logistic growth curve is characterized by S- shaped curve, when the presence of resources becomes less and population size increases. This causes population size to reach to carrying capacity.
Thus, it causes Logistic growth curve in S- shape. For example- Yeast. The yeast is used in preparation of alcohols.
Explain why the sequence of DNA bases is just like a sentence
Like words in a sentence, the DNA sequence of a gene determines the amino acid sequence for the protein it encodes.
Which of these processes as a cooling affect on earth? (APEX)
Answer:
The answer is A. Evaporation of water due to warmer temperature causes low thick clouds.
Explanation:
Evaporation is the process in which liquid is changed into gas due to increases temperature or pressure. It is an important part of water recycling in nature. water from sea, rivers and streams evaporate and form clouds which brings water back to earth by raining. Evaporation also causes cooling effect as during evaporation heat is absorbed from the environment. On the other hand the cloud formation and rain also induce cooling by bringing down the temperature.
are consumers able to do photosynthesis ? why or why not ?
No they are not because they don’t contain chlorophyll which is the organelle that is in charge of the process.
Consumers cannot perform photosynthesis.
Explanation:
The food chain is composed of two main components namely producers and consumers. The plants are kept under producers as they are involved in the production of food through a process called photosynthesis required by the other living organism.
The food which is produced by the plant is used by itself as well as by all other living creatures. Animal are called consumers because they cannot prepare their own food and are dependent on plant or producers as they cannot perform photosynthesis.
What is a population?
Answer:
Population means for example: "The forest is populated by savage animals"
Explanation:
Population exactly means just that a town is populated by humans, or if the forest is populated by savage animals that will kill you on sight.
Hope this helps!
Answer:
all the inhabitants of a particular town, area, or country.
"the island has a population of about 78,000" like the USA the USA has a population of 331,002,651 people
climax communities are communities that are undergoing primary succession
A climax community is a stable group of plants and animals that have reached the end result of the succession process. I hope this was what you were looking for.
Answer:
Climax community is an ecological community that has reached the final stage of ecological succession. At this point bio-diversity is maximum and no further changes take place. It is the most stable period
Explanation:
What is an organism’s niche?
Answer:
The term niche, when used in the science of ecological biology, is used to define an organism's role in an ecosystem. Not only does its niche include the environment that a given organism lives in, but it also includes the organism's "job" in that environment
Explanation:
credit to Thought.co
Answer:
An ecological niche is the role and position a species has in its environment; how it meets its needs for food and shelter, how it survives, and how it reproduces. A species' niche includes all of its interactions with the biotic and abiotic factors of its environment
Mutations that occur in DNA sequences during replication are___
A) usually harmless to the individual who inherits the mutation
B) usually harmful to the individual who inherits the mutation
C) mistakes that are always fixed through cellular processes
D) often related to disease
Answer:b
Explanation:not sure tho
will pick brainlist plzz i need this asap!!!!What movement of Earth is responsible for night and day?
a.)rotation
b.)revolution
c.) precession
d.)perigee
Answer:
The answer is A because the earth rotates on it's axis and the side that faces the sun is day and the side that faces away is night.
Explanation:
The rotation causes night and day (A.)
if a pea plant has a recessive allele for yellow pea , it will
Answer:
If a pea plant has a recessive allele for green peas, it will produce... green pease if it does not also have a dominant allele for yellow peas. When Gregor Mendel crossed a tall plant with a short plant
Explanation:
Answer:
If a pea plant has a recessive allele for yellow pea , it will make an offspring yellow if it has a genotype yy.
Explanation:
The pea “color” gene comes in a yellow version (y), there are two possible combinations for this color gene: Yy and yy. In yy pea plants only make yellow peas because they only have the yellow version. If the new pea has a genotype Yy, it has other color because the yellow version, y, is recessive over the dominant version, Y.
a certain atom has a atomic number of 4 how many protons does it have ?
It has 4 protons because the atomic number is the number of protons.
This element would be beryllium.
10 because i said it is supposed to be
spongebob is known for his big round eyes(R) which is dominant over and oval eye shape(r) if he is heterozygous for hs round eye shape and marries a sponge lady with oval shape eyes what type of eyes might the kids have?
There is a 50% chance they will have heterozygous round and a 50% chance they have homozygous Oval eyes
Spongebob has big round eyes(R) which is dominant over and oval eye shape(r) and he is heterozygous for his round eye shape and marries a sponge lady with oval shape eyes then the kids have a 50% chance to have big round eyes and a 50% chance to have oval eye shape.
What is the eye shape of the kids?If spongebob has big round eyes(R) which is dominant over and oval eye shape(r) and he is heterozygous for his round eye shape and marries a sponge lady with oval shape eyes then the outcome will be Heterozygous round = Rr, Oval = rr.
So all possible genetic outcomes are Rr, Rr, rr and rr. So the chances of a child with round eyes are 50% and the chances of a child with oval eyes are 50%.
Hence, Spongebob has big round eyes(R) which is dominant over and oval eye shape(r) and he is heterozygous for his round eye shape and marries a sponge lady with oval shape eyes then the kids have a 50% chance to have big round eyes and a 50% chance to have oval eye shape.
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the chocolate trait is recessive to the black coat train in labradors. what is the genotype of the chocolate puppy below?
bb
This is because he is chocolate and if there was a big B in his genotype than he would be black because the big B (black coat) is dominant over the little b (brown coat)
Globulin is a protein. Which of the following organelles will assist in the synthesis of globulin?
Answer:
Rough Endoplasmic Reticulum
Explanation:
Rough endoplasmic reticulum (RER) is series of connected sacs that plays a key role in the synthesis of proteins as well as in their folding and transportation. Since Globulin is a protein, the Rough Endoplasmic Reticulum will assist in its formation.
I need the answers for all of them.
Answer:
1. RNA
2. DNA
3. Adenine
4. Double Helix
5. Guanine
6. Thymine
7. Cytosine
8. Ribose
9. Uracil
10. Deoxyribose
Explanation:
Because yes. Plus I did this when I was in middle school. Cool hint: remember (A)pple (T)ree - (C)ar (G)arage. A binds with T and C binds with G and vise versa. (That is only for DNA)
how is atp energy production affected by the lack of glucose
Answer:
The mitochondria requires two things to go through respiration: Glucose and oxygen. Plants create these two things in photosynthesis, and the products of the mitochondria re enter the chloroplast. The less the glucose, the slower and the less atp generated
Explanation:
What can radiometric dating reveal
A.the absolute age of a fossil
B. The transitional age of a fossil
C. The relative age of a fossil
D. The average age of a fossil
Do you think it would be c
The correct answer is A. the absolute age of a fossil.
Radiometric dating is a method used to determine the age of rocks and other materials based on the rate of decay of radioactive isotopes. This technique provides scientists with a highly accurate way to calculate the absolute age of a fossil by measuring the amount of radioactive decay that has occurred since the death of the organism.
Here's a brief explanation of why the other options are incorrect:
B. The transitional age of a fossil: Radiometric dating does not provide information about transitional ages, which refer to the evolutionary stages of organisms. It only gives the absolute age of the fossil.
C. The relative age of a fossil: Relative dating methods, such as stratigraphy, determine the relative order of past events by comparing the ages of geological strata. Radiometric dating, on the other hand, gives a numerical age and is therefore an absolute dating method.
D. The average age of a fossil: Radiometric dating provides a specific age for a fossil, not an average age. The age determined is the time since the organism died and was fossilized.
In summary, radiometric dating is a powerful tool in geochronology that allows for the direct determination of the absolute age of a fossil, which is why option A is the correct answer.
In a certain area, mosquitoes that can resist the effects of pesticides (insect-killing chemicals) now exist in greater numbers than10 years ago. What is the most probable explanation for this increase in numbers?
Answer:
Explanation:
They have developed a resistance to the active killing ingredient of the pesticide. Their immune system has figured out how to deal with the active ingredient. Apparently it is an example of survival of the fittest. They are able to pass that quality along to their offspring.
what natural resources are needed to make a pencil?
Graphite is used to make the writing cores of pencils. Wood (Softwood) Softwoods are coniferous trees, such as pines or spruces. Cedar wood is most commonly used in pencil production. The wood encases the graphite, making it easier for the writer to hold. -google definition
Answer:
Wood, Graphite, Natural Rubber, Iron
Explanation:
Which greenhouse gas is found in the highest concentration in the atmosphere?
Answer: Its water
Explanation:
The greenhouse gas that is found in the highest concentration in the Earth is carbon dioxide, as present is in Option A because the concentration of carbon dioxide is much higher and has been increasing at an alarming rate day by day.
What is a greenhouse gas?Carbon dioxide, that is a major greenhouse gas, is released into the atmosphere through a variety of natural activities and human activities, such as respiration, volcanic eruptions, the decomposition of organic matter, etc, carbon dioxide is very much needed by plants for photosynthetic activity, but the concentration of carbon dioxide in the atmosphere has increased by over 40% since the beginning of the industrial era, which leads to a further greenhouse effect.
Hence, the correct answer is greenhouse gas found in the highest concentration in the Earth is carbon dioxide, present in Option A among the other options.
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The question is incomplete, complete question is below
Which greenhouse gas is found in the highest concentration in the atmosphere?
A)carbon dioxide
B)OXYGEN
Gene expression in the cells of multicellular organisms allows cells to...
Answer:Develop
Explanation:
Gene expression in the cells of multicellular organisms allows cells to grow, differentiate, and develop. So, it's D, i.e. all of the above.
What is Gene expression?Gene expression may be defined as the procedure by which the information encoded in a gene is utilized to either make RNA molecules that code for proteins or to construct non-coding RNA molecules that operate other functions.
Gene expression authorizes the cell to adapt to a specific condition and expresses different sets of genes that aid in maintaining the distinctive property of specific cells. This is known as differentiation.
Therefore, the correct option for this question is D.
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Which of these is an environmental effect of destroying wetlands?
the answer is c: because when we start logging animals lose the areas were they resided
Answer:
The answer is actually (C)
Explanation:
why does water of salt gets salty?
Answer:
Salt in the ocean comes from rocks on land. The rain that falls on the land contains some dissolved carbon dioxide from the surrounding air. This causes the rainwater to be slightly acidic due to carbonic acid (which forms from carbon dioxide and water).
how are p waves and s waves similar? check all that apply
they shake the ground
they travel through solids
they arrive at the same time
they turn into surface waves
they vibrate from side to side
both P waves and S waves can travell through solids.In advance, P waves can travel through gasses too but S waves can't.
Answer:
The correct answers are they shake the ground and they travel through solids.
Explanation:
When an earthquake occurs, waves are sent in various directions across the earth's surface.
These waves can be classified into two types: Body Waves and Surface Waves.
Within body waves we have two types: primary (P) and secondary (S).
Both travel through the interior of the earth from the place where the earthquake occurred, to several directions that are in the distance.
The P waves are the fastest and the first ones, and the S waves are the ones that come later.
Both waves shake the ground, being that only the P waves do it in the direction in which they are directed and the S waves do so perpendicularly or transversally.
Also, both waves can move through solid materials, but only P waves can move through liquid materials.
A) they make up an organisms physical structure
B) they carry information about how an organism is put together and maintained
C) they store excess carbohydrates for later use
D) they provide an organism with usable energy in the form of ATP
The function of DNA is to hold the original genetic code for anything made in our bodies. It holds the code for RNA (DNA to RNA is called transcription). RNA: is single stranded. = ribose sugar + phosphate group + nitrogen containing base (either C,G,A, or U).so iguess its b
Answer:
the correct answer is B
Explanation: