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Setler79 [48]
2 years ago
11

Please answer right im failing this subject and ive cried over it for 2 hours jskdfbf

Biology
1 answer:
Vlad1618 [11]2 years ago
5 0

Answer:

C. Absorbency, because all soil does not absorb water, such as sand. The other components such as clay, silt, and organic matter are much smaller and absorb much more.

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The nitrogen cycle is most directly dependent upon-
vovangra [49]

Answer:

B) Nitrogen-fixing bacteria and lightning

Explanation:

Nitrogen cycle is the natural process in which atmospheric nitrogen is converted into nitrite and nitrate with the help of bacteria.

Nitrogen cycle is directly dependent on nitrogen-fixing bacteria and lightning.

As bacteria are responsible for most of the chemical conversion in the nitrogen cycle such as nitrogen fixation (first step) is done by soil bacteria (Cyanobacteria) that form ammonia, which is toxic to plants; nitrification in which ammonia is converted into nitrites and nitrates with the help of Nitrobacter and denitrification bacteria involve Pseudomonas, and Achromobacter which convert nitrite and nitrate into nitrogen.

The lightning breaks nitrogen molecules and allow  it to combine with oxygen in atmosphere which further dissolve in rain and form nitrates.

Hence, the nitrogen cycle is most directly dependent upon nitrogen-fixing bacteria and lightning and the correct option is B.

5 0
3 years ago
When larger meteorites hit earth, what do they create​
nasty-shy [4]

Answer:

divots or holes

Explanation:

they hit at a high speed and make a divot in the ground

5 0
2 years ago
Where do plants obtain carbon dioxide
Vilka [71]

Answer:

The roots

Explanation:

The roots is where carbon dioxide

and H2O is obtained. Hopefully this helped

4 0
3 years ago
Sometimes, pregnant women are very emotional. This is believed to be caused by extra estrogen and progesterone that are released
Strike441 [17]

Activational effect is the correct answer.

Activational effect is an impermanent hormonal effect that leads to a change in physiological activity or behavior in both humans and adult animals. For instance, when testosterone levels rise in male songbirds they become more aggressive and tend to engage in courtship behavior. Also, a pregnant woman may get more emotional than usual due to an extra level of progesterone and estrogen during pregnancy.  

3 0
2 years ago
How can biological weathering result in chemical erosion?<br><br><br><br>Correct Answer = Brainliest
Arisa [49]

Answer:

Plants and animals release acid forming chemicals that cause weathering and also contribute to the breaking down of rocks and landforms.

Explanation:

sorry if im wrong

8 0
2 years ago
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