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tino4ka555 [31]
2 years ago
14

Which sediment has the greatest permeability?

Biology
1 answer:
nadya68 [22]2 years ago
4 0
The answer is Gravel !
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Lapatulllka [165]

Answer:

im not doing that sorry,

Explanation:

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2 years ago
During an action potential, the “gates” covering the axon’s ion channels pop open to allow which ions to rush into the axon?
olga2289 [7]
Sodium ions rush into the neuron. 
3 0
3 years ago
As part of a blood drive on campus for the American Red Cross, you and your friends have just donated 500 ml of blood. You are n
Lunna [17]

D) no change in cardiac output, increased heart rate, decreased stroke volume occurs after blood donation

Explanation:

When a person donates blood, there is a slight loss of blood volume or hypovolemia. This triggers the baroreceptors of the blood; although does not trigger the osmoreceptor.

The baroreceptor responses are according to the arterial pressure which rises momentarily and results in increased sympathetic activity with decreased vagal activity.

These changes will lead to vasoconstriction, reduced stroke volume, increased heart rate or tachycardia which helps to maintain the cardiac output.

The soreness at the venepuncture site on the skin is due to bruising which is common after any needleprick. applying cold pack, elevating and resting the arm.

In order to compensate for the fluid volume loss and avoid dehydration, one must take plenty of fluids before and after blood donation.

8 0
3 years ago
Describe what interesting fact about continental tropical air masses.
ki77a [65]

Answer:

Continental Tropical (cT): Hot and very dry. They usually form over the Desert Southwest and northern Mexico during summer. They can bring record heat to the Plains and the Mississippi Valley during summer, but they usually do not make it to the East and the Southeast.

Explanation:

Continental Tropical air masses (cT) are a type of tropical air produced by the subtropical ridge over large areas of land and typically originate from low-latitude deserts such as the Sahara Desert in northern Africa, which is the major source of these air masses. ... Arctic, Antarctic, and polar air masses are cold.

7 0
3 years ago
This organelle is found in plant cells. The function of this organelle is to collect solar energy and use this to produce food,
Likurg_2 [28]
Chloroplast. The chloroplast produces glucose for the plant using sunlight. 

3 0
3 years ago
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