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DIA [1.3K]
2 years ago
5

Volcanic eruptions can — (1 point)

Biology
1 answer:
morpeh [17]2 years ago
6 0

Answer:

Add nutrients to the soil

Explanation:

Plants are destroyed over a wide area, during an eruption. The good thing is that volcanic soil is very rich, so once everything cools off, plants can make a big comeback!

Hope it helped!!!

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What is the point of view in the excerpts from Olaudah Equiano’s memoir? What is likely his purpose in beginning the narrative w
Hitman42 [59]

Answer:

The first-person point of view.

To show how his life was before he was taken into slavery.

Explanation:

Olaudah Equiano made us of the first-person narrative in his memoir to describe his early life in Nigeria, how everywhere was clean, the people happy, marriage and family essential, and how he was suddenly cast into the evil hands of slavery and how he was able to become a free man.

He described his village in Nigeria so he can give readers an insight on how peaceful and satisfactory his life was before he became a slave.

4 0
3 years ago
During a marathon, runners draw heavily on their internal reserves of glycogen (carbohydrate) and triglycerides (fat) to fuel mu
g100num [7]

Answer:

The activity of cyclic AMP phosphodiesterase is prevented by caffeine. The caffeine prevents further dissociation of cAMP, which eventually increases the response within the body. The activity of neurotransmitters, that is, of noradrenaline or epinephrine, gets increased due to enhancement in response.  

This further enhances the activity of the heart, the rate of muscle contractions, blood pressure that further helps in delivering more oxygen to the brain, and other parts of the body. Thus, the inhibition of the enzyme cyclic AMP phosphodiesterase helps the athletes to prevent the wall.  

7 0
3 years ago
When a person is cut, the injured tissue initially releases chemical signals into the bloodstream. These chemicals signal platel
guajiro [1.7K]

Answer:

Platelets would release signals to stimulate the production of more platelets

Explanation:

Positive feedback mechanism is one of the two types of feedback mechanisms (other being negative feedback mechanism) in which the products of a process stimulates more of that product to be synthesized or produced. In other words, the result of a reaction increases the secretion of more results.

In this case where the injured tissue of a cut initially releases chemical signals into the bloodstream. These chemicals signal platelets to be attracted to the injured area. However, if this is a positive feedback mechanism as explained above, Platelets would release signals to stimulate the production of more platelets.

4 0
3 years ago
Which type of succession occurs when communities form in an area that was previously uninhabited by organisms?.
Ghella [55]

Answer:

Secondary succession

Explanation:

When a previously occupied area gets colonized by a new dominant group of species or communities, this is known as secondary succession. In secondary succession, new residents take the place of earlier groups in a habitat that has been affected by an ecological disturbance.

4 0
2 years ago
Label the cell membrane
Daniel [21]

Answer:

a and b

Explanation:

i don't know ok

but is true

6 0
2 years ago
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