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lesya [120]
3 years ago
5

How old is earth to this day

Biology
2 answers:
earnstyle [38]3 years ago
7 0

Answer:

Hi there!

The answer to this question is: 4.543 billion years old

kompoz [17]3 years ago
7 0
The earth is 4.5 billion years old
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Which is an advantage of using embryonic stem cells instead of adult stem cells to help a patient?
AURORKA [14]

Answer:

quicker recovery period for limitless injuries and surgeries

Explanation:

its correct

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3 years ago
When we doing strawberry extraction,why do we have to remove the air as much as possible before we seal the bag?
AlladinOne [14]

Answer:

Explanation:

Oxygen is needed to support life and some metabolic processes in microorganisms especially aerobic organism.

The presence of oxygen in the container gives them the opportunity to carry out there metabolic activities thereby enhancing there growth and multiplication.

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Describe the structure and the function of the stomach. Be sure to include cells and tissues relating to this organ.
Vikentia [17]

Connective tissues support the tissues of the mucosa and connect it to the muscularis layer.

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<h3>What is the function of the stomach?</h3>

The stomach secretes acid and enzymes that digest food. Ridges of muscle tissue called rugae line the stomach.

The stomach muscles contract periodically, churning food to enhance digestion. The pyloric sphincter is a muscular valve that opens to allow food to pass from the stomach to the small intestine.

Thus, this could be the answer.

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8 0
2 years ago
Atoms with a low electronegativity, like calcium, might bond with ____________.
TiliK225 [7]

The answer is A.The calcium atom must bond with an atom of high electronegativity (like fluorine) because the higher electronegativity atom will bully the low electronegativity atom and take away its electrons.

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A. an atom with a high electronegativity, like fluorine

B. another atom with a low electronegativity, like lithium

C. another atom that would like to share electrons

D. no other atoms because it's too weak to bond with anything


7 0
3 years ago
Read 2 more answers
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