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Harman [31]
3 years ago
7

The process of changing free nitrogen into a usable form of nitrogen is called

Biology
1 answer:
antiseptic1488 [7]3 years ago
4 0

Answer:

Fixation

Explanation:

Nitrogen is converted from atmospheric nitrogen (N2) into usable forms, such as NO2-, in a process known as fixation.

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symbiotic

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symbiotic relationships benefit both organisms

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Vitek1552 [10]

D. It allows a variety of substances to dissolve in and around cells.

Explanation:

The shell of hydration is important to life because it allows a broad range of substances to dissolve in and around the cells.

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3 years ago
Please help i give 48 points !!!which correctly lists the three layers in which water moves easily
Aliun [14]

soil, rock, organic layer

Explanation:

Permeability is the ability of a layer of rock to transmit fluid such as oil or water

The factors that affect the permeability of a rock layer includes the sizes of the rock particles, the ratio of the available voids to the solid mass of the rock, the presence of trapped air and the presence of organic matter

Rocks such as gravels, and  sparingly cemented sands have high permeability

The most impermeable of the options are granite and clay which for granite has large particle mass and contain no voids while clay has very fine particles packed together with little room for water

Therefore, water moves easily between layers  soil, rock, organic layer

7 0
3 years ago
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What is a plant cells
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Answer:

a cell in a plant that is composed of a cell wall and multiple organelles, like a huge vacuole and chloroplasts that carry out photosyntheses. They are the building blocks for plants.

Explanation:

5 0
4 years ago
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1. Skin cells-
irina [24]

Answer:

these are all correct

Explanation:

i just took the quick check

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