help with number 12 please

An engineer while developing a procedure for producing a large amount of ammonia in a reasonable quantity of time must meet the standard that the process must utilize a known technology.

Ammonia exists as a colorless, pungent gas comprised of nitrogen and hydrogen. It exists as the easiest stable compound of these components and serves as a starting material for the production of numerous commercially important nitrogen combinations. The major usage of ammonia exists as a fertilizer. In the United States, it exists usually applied directly to the soil from tanks including liquefied gas.

Therefore, the (B) option exists as the correct answer.

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Answer:

As the cold front passes, winds become gusty. ... Atmospheric pressure changes from falling to rising at the front. After a cold front moves through your area, you may notice that the temperature is cooler, the rain has stopped, and the cumulus clouds are replaced by stratus and stratocumulus clouds or clear skies.

Explanation:

Answer: Blood types O, A, and B are possible for the father.

Explanation: Since the mother has type A blood, there are two possible genotypes that she can have: AA or AO. Since her son has type O blood, he only has one genotype: OO.

For blood types,

Type A - AA or AO

Type AB - AB

Type B - BB or BO

Type O - OO

* A and B are dominant over O.

Now we have to do crosses between the mother and the father:

AA mother with AB father: child with type AA or type AB blood

AO mother with AB father: child with type AA, AO, AB, or BO blood

AA mother with OO father: child with AO blood

AO mother with OO father: child with AO or OO blood

AA mother with AA father: child with type AA blood

AA mother with AO father: child with type AA or AO blood

AO mother with AA father: child with type AA or AO blood

AO mother with AO father: child with type AA, AO, or OO blood

AA mother with BB father: child with type AB blood

AA mother with BO father: child with AB or AO blood

AO mother with BB father: child with AB or BO blood

AO mother with BO father: child with AB, AO, BO, or OO blood

The father can have blood types O, A, or B.

Answer:

This is true.

Explanation:

I did the test.

Answer:

You should try d. Hypothesis as answer

Answer:

D

Explanation:

A hypothesis states a presumed relationship between two variables in a way that can be tested with empirical data. It may take the form of a cause-effect statement.

Answer: Food can be an obvious answer because people will not survive without food so they will die. And death means there will be a decrease on population size. So food can be a limiting factor that is dependent on population size.

Answer:

A limiting factor that depends on propulation size is called a density-dependent limiting factor.

Density- dependent limiting factors include: competition, predation, parasitism and disease.

.・。.・゜✭・have a nice day・✫・゜・。.

Answer: (a) Oxygen

Explanation: Oxygen reacts with the plants food releasing energy.

Answer:

An example of a scientific investigation design that uses independent variable and dependent variable in its design is a research that seek to find out the effect of two different fertilizers on the growth of a tuber crop (yam). The independent variable in this case is the type of fertilizer used while the dependent variable is the corresponding growth of the tuber crop. In a research set up, the independent variable is the variable that cause a change in the dependent variable.

Explanation:

Hope this helps

Answer: Humans harm the environment in many ways such as overpopulation, pollution, burning fossil fuels, and deforestation. These also, can cause many changes like triggered climate change, soil erosion, poor air quality, and undrinkable water.

Explanation:

Answer:

is because she wants you man. there no mom that dose not like their child

The prepuce is an anatomical covering for the sex organs and is an important, typical feature of the external genitalia in a pig.

Comparing the location of the prepuce - The prepuce is in the same location in fetal pigs as it is in humans.

Comparing their structures, this structure is much larger in humans than in the fetal pigs.

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Answer:

I think its supernova

Explanation:

the choices a b c and e are all something more of something that exists. Ex) Super star is a star that is Super! But a Supernova is just a Supernova. There is no nova that is Super.

I hope this helps.

Supernova is the series of words given below, which of the following words is not categorized with the others.

A star that has reached the end of its life and bursts in a bright flash of light is what is known as a supernova.

Supernovae have the ability to briefly outshine entire galaxies and emit more energy in a single second than the sun does in its entire lifetime. Additionally, they are the universe's main supplier of heavy materials. Supernovae are "the greatest explosion that occurs in space," according to NASA.

Supernovae were noted by numerous cultures before the telescope was created in the 17th century. According to NASA's records, this "guest star" was visible in the sky for eight months.

Therefore, Supernova is the series of words given below, which of the following words is not categorized with the others.

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The correct answer is ' Yellow-green algae'.

Xanthophyta A phylum of mostly freshwater organisms of the kingdom Protoctista, traditionally known as yellow-green algae, that possess carotenoid pigments (including xanthins), which are responsible for their color, in addition to chlorophylls.

Commonly known as yellow-green algae, the Xanthophyta includes one Class, Xanthophyceae, characterized by the following general features: (1) the photosynthetic pigments consist of chlorophyll-a and -e, β carotene and xanthophylls; of these, β carotene is usually present in fairly high concentrations.

Xanthophyceae is a class comprised of xanthophytes or yellow-green algae. The color is due to the presence of pigments such as xanthophylls and beta carotene. They also have chlorophyll pigments. They have chlorophyll a and c.

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Answer:

(b) increased travel of individuals from endemic regions to the United States,

The possible reason that lead to the reemergence of malaria in the United States is increased travel of individuals from endemic regions to the United States. The correct option is b.

Malaria is a potentially fatal disease caused by a parasite that infects a specific type of mosquito that feeds on humans. Malaria typically causes severe illness, including high fevers, shaking chills, and flu-like symptoms.

Malaria is typically transmitted through the bite of an infective female Anopheles mosquito. Only Anopheles mosquitos can transmit malaria, and they must have previously been infected through a blood meal taken from an infected person.

It has been determined that mosquitoes become infectious more quickly, resulting in increased malaria transmission and increased travel from endemic regions to the United States.

Thus, the correct option is b.

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Tundra biome is the terrestrial biome which is characterized by long, cold

winters and short, cool summers.

The tundra biome is found in the polar desert regions where there are long

periods of winter. There is very little precipitation which is usually in the

form of snow.

This biome contains less nutrients and doesn't support much plant or animal

life. Plants such as lichens and mosses which are able to withstand dry and

cold conditions are found in this biome.

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Answer:

condensation

Explanation:

Condensation is when the water vapor becomes a cloud

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Answer:

As global warming causes more snow and ice to melt each summer, the ocean and land that were underneath the ice are exposed at the Earth's surface. Because they are darker in color, the ocean and land absorb more incoming solar radiation, and then release the heat to the atmosphere.

Answer:

The pentose sugar in DNA is called deoxyribose, and in RNA, the sugar is ribose.

Explanation:

Answer:

The major levels of organization in the body, from the simplest to the most complex are: atoms, molecules, organelles, cells, tissues, organs, organ systems, and the human organism.

Golden eagles have adapted their behavior for living in temperate

grasslands by building their nests on the ground.

Temperate grassland is characterized by mainly grasses and very few

trees. Animals like the Golden eagle who build their nests on tall trees are

able to adapt to the absence of these types of trees in the grasslands by

building their nests in the ground.

They live in in pairs in the temperate grasslands to efficiently guard the

nest and hunt  animals for their survival.

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Answer: to store energy

Explanation:

Answer:

That image is way too blurry to read. Can you comment what it says so I can put an appropriate answer?

Explanation:

Answer:

nitrifying bacteria

Explanation:

Answer:  Bacteria and Archaea

Explanation: