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gregori [183]
3 years ago
7

Review the graphic of the inside of Earth. Which layer makes up the center of Earth

Biology
2 answers:
bonufazy [111]3 years ago
6 0

Answer:

The very center of the earth would be the inner core.

Explanation:

The inner core is believed to be composed of an iron–nickel alloy with some other elements. The temperature at the inner core's surface is estimated to be approximately 5700 K. Which is comparable to the surface of the sun's temperature.

Ann [662]3 years ago
3 0

Answer:

It is the inner core.

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2 or 3

Explanation:

I believe it's 3, I could be wrong though.

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What type of microscope most likely produced the image of a mitochondrion?
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A slow reproduction process is a disadvantage of which from of reproduction
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Disadvantages.

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2 years ago
Nina studies an artificial heart model. The model has tubes that supply an electric current to the model. Nina switches on the c
just olya [345]
<span>Answer
1. electrical signal travels toward the heart
2. signal by the nodes in the atrium</span>
3. the atria contract<span>
</span>4. signal received by the atrioventricular node
5. signal transferred to the ventricles
6. the ventricles contract

Heart has a pacemaker that will continually send a signal. The primary site of the pacemaker is at the sinoatrial node, on the top right atrium. This node will send a signal to atria (which will cause it to contract) and to the atrioventricular node.
Atrioventricular node located between atrium and ventricle. It will send the signal to the ventricle(by the bundle of his) and cause it to contract.
5 0
2 years ago
Read 2 more answers
An atom that has an outer shell that is NOT full is (more likely OR less likely) to be reactive than an atom that has a full out
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Answer:

A half filled orbital is LESS LIKELY to be reactive than a fully filled orbital

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6 0
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