which term describes a field where there are 20 moles per acre?

Answer:

The answer is vitamins

Explanation:

...parent to offspring

Answer: Solvent

Explanation:

A solution is made of two substances one is solute and the other one is solvent. The substance that get dissolved is called as solute and the liquid in which the solute is dissolved is known as solvent.

The solute and the solvent combine together to form solution. It is a homogeneous mixture in which the solute and the solvent cannot be distinguished.

Hence the correct answer is solvent.

Melting and cooling sedimentary rock creates igneous rock. Subduction of a sedimentary tectonic plate is typical. As the tectonic plate advanced deeper into the crust and toward the mantle, sedimentary rock melted and became lava.

The sedimentary rock formation process begins with the deposition of fragments of pre-existing rocks or once-living organisms. They come into being as a result of deposits that build up on the surface of the earth. Layering or bedding structures can frequently be observed in sedimentary rocks.

Oil, natural gas, coal, and uranium, our primary energy resources, are created in sedimentary rocks and originate from them. Construction sand and gravel are derived from sediment. Sandstone and limestone are utilized as construction stone. Plaste is produced using gypsum rock.

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Answer:

Government aims to modify the policy and design rules accordingly and also aims to incentive's any study in this area by technocrats . In this way  United Kingdom is planning to use driverless cars beginning in 2015

Explanation:

As per the government strategy, it is believed that UK will first start using its driver less technology in mainly two segments -

a) Luxury riding services

b) Commercial vehicle  such as haulage, cargo vehicles etc.

After this, the government has planned to introduce this for the consumer segment where an individual can own  own (semi-) autonomous vehicles

Government has also planned to introduce a change in policy and design norms for the betterment of society. It has also attempted to partner with technological companies by providing incentives for citing their research and inventions in this era.

Answer:

C on edge

Explanation:

Final answer:

Bryophytes, lacking vascular tissue, are unable to conduct water and nutrients efficiently, which keeps them small and confines them to moist environments. They use diffusion and osmosis to absorb what they need and lack true roots, stems, or leaves.

Explanation:

Because bryophytes do not have vascular tissue, they are unable to conduct water and nutrients efficiently throughout their bodies. Vascular tissue, which comprises of xylem and phloem, is the specialized system for this transport in vascular plants. Bryophytes lack these structures and hence cannot transport water and nutrients over long distances, limiting their size and habitat to moist environments where these resources are readily available.

Bryophytes include species such as mosses, liverworts, and hornworts, and they thrive in habitats ranging from tundras to deserts, although their growth is primarily dense in damp areas. Their inability to conduct water and nutrients effectively is due to the absence of lignin-reinforced cells, which are present in the vascular system of more advanced plants. Instead, they rely on diffusion and osmosis across their gametophyte surfaces to absorb moisture and nutrients.

The lack of a conductive system also means that bryophytes typically do not have true roots, stems, or leaves, and instead, possess root-like structures (rhizoids) for anchorage and absorption of water and minerals. This evolutionary trade-off has restricted bryophytes to smaller sizes and limited their competitive ability against larger vascular plants in drier environments.

Final answer:

During metaphase, the chromosomes are lined up along the equator of the cell at the metaphase plate, which is a plane midway between the poles of the cell. The correct answer is option C, "lined up along the equator of the cell."

Explanation:

During metaphase, the location of the chromosomes is crucial for proper cell division. The correct description of their location at this stage is that they are lined up along the equator of the cell. Practically, this means they align in a plane known as the metaphase plate, which is situated midway between the two poles of the cell. Each chromosome is connected via its centromere to the microtubules that make up the spindle fibers, originating from the centrioles at each pole.

In this phase, sister chromatids remain attached to one another and the chromosomes are highly condensed, becoming maximally visible under a microscope. Visual identification is possible by looking for chromosomes that appear in a straight line across the center of the cell, signifying that the cell is in metaphase and not another phase of cell division.

Answer:

Option C, image 3

Explanation:

Hydrogen bonds are weak electrostatic bond that exist between hydrogen and an electronegative atom.

In order to have hydrogen bonding, the hydrogen must be bonded to an electronegative atom.

Generally molecules having hydrogen bonded to electrogegative atom, N, O and F show hydrogen bonding.

Hydrogen bonds may exist within a molecule or between two separate molecules.

Difference in electronegativity of hydrogen and electronegative atom develops dipole which responsible for electrostatic attraction.

In image 1 and 2, hydrogen bonding is shown between two oxygen atoms, which is not correct.

In image 4, hydogen bonding is shown between two hydrogen atoms, which is also not correct.

Hence, the correct option is image 3

Alkaline and zinc-carbon batteries can be safely disposed of in your domestic trash in the majority of areas. Ship used alkaline and zinc carbon batteries to battery recyclers. Thus, option D is correct.

When batteries are thrown away in California, they are regarded as hazardous waste. This includes single-use and rechargeable AAA, AA, C, D, button cell, 9-volt, and all other batteries.

Rechargeable batteries are dangerous for the environment and human health because they contain hazardous heavy metals like lead, nickel, cadmium, and mercury.

It is advisable to recycle or properly dispose of rechargeable batteries.

Therefore, take used batteries to a recycling plant, so they can be used for some other purpose, is the least acceptable.

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Answer: D). Most rocks are a mixture of minerals

Rocks are the natural substances these are the aggregate of one or more number of minerals. These minerals are responsible for chemical and physical nature of rocks. These are responsible for type of particles, texture of particles and overall rock structure. Example of rock having mineral aggregate is granite which is a combination of minerals like quartz, biotite and feldspar.

Rocks are a mixture of minerals (D).

Further Explanation:

Minerals are made up of large element, most elements are simple substances that can not breakdown into any other substance.  

Most common example of minerals are Na,Si,Cl etc.

For example, SiO4  mineral contains large amount of element  

Rocks are aggregates of minerals, rocks are major of three types:

Igneous rocks are created when lava cools down and solidify in rock.

The metamorphic rocks are made by the subjection of igneous rocks and sedimentary rocks under high pressure and temperature.

The sedimentary rocks are created by continuous deposition of minerals, earlier rocks, and animal.

Example of igneous rocks are granite and made up of a mixture of element example SiO2 and Al2O3.  

Examples of sedimentary rocks are breccias and siltstone and of metamorphic rocks are marbles.

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Answer Details:

Grade: High School  

Subject: Biology

Chapter:Ecology

Key Words:  

Soil, rock, mineral, mixture, granite, breccias, siltstone, sediments, metamorphic, igneous rocks, sedimentary rocks, silicon, deposition,earth sciences, substances, breakdown, pressure, temperature, element.

The photoreceptor that allows plants to detect day length is called phytochrome.

The photoreceptor that allows plants to detect day length is called phytochrome. Phytochrome is a protein covalently bonded to a light-absorbing pigment called a chromophore, and together they are known as a chromoprotein. Plants use the Pr/Pfr ratio of phytochrome at dawn to determine the length of the day/night cycle, allowing them to detect the change of season and adjust their physiology accordingly.

Final answer:

Phytochrome is the photoreceptor plants use to detect day length, aiding in photoperiodism, which is essential for recognizing seasonal changes and determining when to conduct crucial activities like flowering.

Explanation:

The photoreceptor that allows plants to detect day length is called phytochrome. Plants can sense the time of day and time of year by sensing and using various wavelengths of sunlight. The phytochrome molecules in plant leaves can convert between forms that absorb red light (Pr) and far-red (Pfr) light. At dawn, these molecules convert to the active Pfr form, which can remain in that form until sunset. At night, the Pfr slowly reverts to the Pr form. By measuring the ratio of Pr to Pfr at dawn, plants can determine if the nights are shorter or longer, which corresponds to different seasons.

Unfiltered sunlight is rich in red light, which is essential for the conversion process. Plants use this conversion to sense the change of season and exhibit photoperiodism, the reaction to the length of day or night. This is essential for crucial plant activities like flowering, setting winter buds, and vegetative growth. For instance, short-day plants flower when nights exceed a certain length, while long-day plants flower when the nights are shorter than a specific threshold.

Answer:

Option B, [tex]25\\[/tex] %

Explanation:

The heterozygous genotype of the parent is Xx

The punnet square for the cross between the two parents having Xx genotype is  

X x

X XX Xx

x Xx xx

Thus,  

A represents the genotype – XX

B represents the genotype – Xx

C represents the genotype – Xx

D represents the genotype – xx

Out of four possible genotypes, XX (A) appears only once.

Thus the probability of occurrence of genotype A (XX) will be  

[tex]\frac{1}{4} * 100\\= 25\\[/tex] %

Answer:

B, 25 percent

Explanation:

hope i got it right

The right option of this question is (C).

Plants during the photosynthetic reaction, the energy and carbohydrates produce to maintain their life cycle. The photosynthetic system consists on two part as light-dependent an independent cycle. In the dependent cycle, the plants use the light to generate the energy compounds as ATP to start up the Independent cycle. The independent cycle also known as the Calvin Cycle, the environmental carbon dioxide is fixed to generate the carbohydrates. The most important carbohydrate that generates in this process is the glucose. The plant generates carbon dioxide and lactose is only present in milk.

So, the best option is (C) as glucose.

Answer:

Explanation:

In general, ergonomics involves knowledge and technologies that allow a comfortable and productive adaptation between man and the place where he works. The idea is to “shape” working conditions for greater comfort, efficiency and safety.

Although there are countless ways to improve our ergonomics, we can name four very useful ways to do this. These forms are:

Artificial levees and structures are used to control flooding.A levees is an embankment which is made to prevent flooding.The main purpose of an levees is to prevent flooding of the adjacent countryside .This embankments runs parallel to the course of river.By confining the flow of the river there is a significant increase in the velocity of water flow.Dams are constructed to hold back the water and use it as a reservoir.They hold the water prevents from flooding.

Answer: They divide the atomic mass by two

Explanation: I'm too tired to explain Lol

Answer:

A. Explains how organisms change in response to the environment.

Explanation:

A scientific theory is an EXPLANATION of an aspect in the natural world. In other words, it just tells why something happens. Now it is not just a guess, it is well-supported by evidence and previous studies.

Now to knock out your other choices:

B. is wrong because:

A scientific theory does not predict. It can serve as a basis for a prediction, or what you call a hypothesis, but it does not predict an outcome.

C. is wrong because:

As mentioned earlier, a theory is WELL-SUPPORTED by evidence and previous research.

D. is wrong because:

A theory does not become a scientific law.

A. Explains how organisms change in response to the environment.