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horrorfan [7]
3 years ago
13

The circulatory system works closely with which two other systems?NEED THIS quick!!!

Biology
1 answer:
Sidana [21]3 years ago
5 0

Answer:

The respitory system and the nervous system.

Explanation:

I'm pretty sure

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1. · Explain the origin of coal and name its various varieties.
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Answer:

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3 years ago
Where is the least amount of energy transferee in a food web ?
NeTakaya

Answer:

The least amount of energy is at the very told of the food web.

Explanation:

The very bottom has the most amount of energy! :) Hope I helped

7 0
3 years ago
Please help me with my questions
Debora [2.8K]
The heart, lungs, blood vessels, and blood
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3 years ago
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3. All of the organic molecules are based on which element?
Ulleksa [173]

Answer:

<h2><u>Carbon</u><u>.</u><u> </u></h2>

Explanation:

<em>Life is based on carbon; organic chemistry studies compounds in which carbon is a central element. The properties of carbon make it the backbone of the organic molecules which form living matter. Carbon is a such a versatile element because it can form four covalent bonds.</em>

<h3><em><u>Hope</u></em><em><u> </u></em><em><u>it</u></em><em><u> </u></em><em><u>helps</u></em><em><u> </u></em><em><u>you</u></em><em><u>⚛</u></em><em><u>.</u></em></h3>

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