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NARA [144]
3 years ago
7

A soil sample tested in a lab was found to have an increase in its nutrient levels. Which catastrophic event could lead to incre

ased nutrient levels?
Biology
1 answer:
lukranit [14]3 years ago
7 0

Answer:I think it’s flooding

Explanation:

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Brain Ischemia which is definetly fatal as the cells of the cerebrum will start to respire anaerobically and eventually the building up of lactic acid will be fatal

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If a women has sex-linked recessive trait, then all of her sons will have trait as well.
julia-pushkina [17]

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true

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During a light-independent reaction, carbon dioxide is fixed by adding it to a
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2 Carbon compound

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6 0
3 years ago
An elephant has a long, powerful trunk. According to the ideas of Lamarck, how did the trait of long, powerful trunks develop in
Lubov Fominskaja [6]

Answer:

Gradually, as generations of elephants continued to selectively use and develop their trunks.

Explanation:

Jean-Baptiste Lamarck was  famous French Naturalist. He was a soldier, a biologist and an academic. He gave an early theory of evolution known as the theory of Lamarckism.

It was Lamarck who first believed that elephants earlier had small trunks. But eventual when there was scarcity of food and water, the elephants stretched out its trunk to reached out for food such as trees and also water. And as a result their offspring inherited long and powerful trunk.

In his theory of Lamarckism, he believed that the species passes on its traits to the offspring which they acquired through their use in their lifetime. In this case, the elephants might have used their trunks in such a way that they became long and strong over time and they passed tis trait to their babies.

5 0
3 years ago
This has to do with blind spots: What parts of the eye are involved with this inability to see? How do these eye parts function?
Slav-nsk [51]

Answer:

  • Blindspot
  • It has a vital role. It is the only way out of the optic nerve. By this hole optic nerve exits from the eye and goes towards the brain.
  • It can be proved by a simple experiment. A paper sheet is taken. Then a cross and a circle are drawn side by side on that paper. Then we will focus on the cross. Then by closing one eye and by bringing the paper slowly towards our face, the circle will be disappeared at a certain point.        

Explanation:  

The blind spot is a region on the retina where ganglion cells connect with the optic nerve, and the optic nerve and blood vessels leave the eyeball. There are no receptors in this area so nothing can be translated into vision. That's why the blind spot is unable to see things.

6 0
3 years ago
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