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antiseptic1488 [7]
3 years ago
9

What are some sources of nitrogen

Biology
1 answer:
emmainna [20.7K]3 years ago
5 0

The main source of nitrogen include: atmospheric precipitation, geological sources, agricultural land, livestock and poultry operations and urban waste. Agricultural emissions show a strong increase due to the application of fertilizer to agricultural soils, grazing of animals and spreading of animal manure.

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Which processes are caused by convection currents in the mantle? Check all that apply.
trapecia [35]

Answer:

slab push, volcanic eruptions, and subduction

Explanation:

To understand better, let's consider an example. Make small pieces of paper and put them in a bowl containing water. Then heat the bowl. After sometime, you will see that the pieces are moving. This is because of same phenomenon (convection currents) forming inside the bowl of water. The water will warm move upward whereas colder water will come to its place. Convection currents in Earth are formed due to high temperature of magma (molten rock material) that rises up and colder magma takes its position.

This process results in slab push, volcanic eruptions, and subduction.

<u>Slab pull</u>: Slab pull is the force exerted by plates during subduction. Subduction is a process when a denser plate moves beneath the less denser plate. Thus slab pull is also caused by convenction currents.

<u>Volcanic eruption</u>: During subduction, denser plate moves beneath the less denser plate until it reaches magma. There, the lithosphere destroyes. On a weaker lithosphere zone, the magma moves upward and break the crust thus leading to volcanic eruptions.

<u>Subduction</u>: As mentioned above, during subduction, denser plate moves beneath the less denser plate which is driven by convectin currents.

5 0
3 years ago
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The size of a population increases if the number of individuals added to the population is equal to the number of individuals le
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False, the population would be the same then
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Describe how an amino acid molecule passes from the lumen of the ileum to the liver​
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Explanation: Amino acids are absorbed via a Sodium cotransporter, in a similar mechanism to the monosaccharides. They are then transported across the alabaster membrane via facilitated diffusion. Di and tripeptides are absorbed via separate H+ dependent cotransporters and once inside the cell are hydrolyzed to amino acids.

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Deposition of plaques in the walls of the arteries results in ______
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Hope this helps !

Photon
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During Anaerobic respiration, cells make energy without:
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During anaerobic respiration , cells make energy without <u>Oxygen</u>

the energy obtained during anaerobic respiration is 2 ATP

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