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fomenos
3 years ago
9

Throughout history, the bones, bladders, and horns of animals have been used to create tools.

Biology
2 answers:
Basile [38]3 years ago
3 0

Answer:

Animal by-products.

The USDA (United States Department of Agriculture) defines an animal product as anything made from an animal, excluding muscle meat.

Shalnov [3]3 years ago
3 0

Answer:

the answer is animal by-products

Explanation:

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A researcher is culturing cells that require oxygen to live in an incubator where the gas levels are carefully regulated. If the
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Answer:

He can deduce that The pO2 of her cells is less than or equal to 200 mmHg.

Explanation:

Partial pressure of oxygen(pO2) measures the amount of gaseous oxygen  dissolved in the blood. It purposes to measure the effectiveness of the lungs in pulling oxygen from the atmosphere to the lungs.

In the incubator where the gases levels are carefully regulated, a pO2 of 200mmHg on the incubator deduces that the pO2 of her cells is equal or less than 200mmHg.

8 0
3 years ago
1. Why it is important to to have appropriate amounts of calcium in the body?
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Almost all calcium in the body is stored in bones and teeth, giving them structure and hardness. Your body needs calcium for muscles to move and for nerves to carry messages between your brain and every part of your body.

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5 0
2 years ago
Today, ellen is going to the mental health clinic for a relatively new treatment. during the procedure, repeated pulses of magne
Genrish500 [490]

Answer – Repetitive Transcranial Magnetic Stimulation (rTMS)

 

Repetitive transcranial magnetic stimulation (rTMS) is a type of brain stimulation therapy used in the treatment of depression and anxiety; it’s most especially used for the treatment of severe depression. During the procedure, a magnetic field generator (coil) is placed near the head of the person to deliver repeated pulses of magnetic energy.

8 0
4 years ago
A eukaryotic cell has:
anastassius [24]

Answer:

The answer is A: a true nucleus and membrane bound organelles

Explanation:

i did a test and got it right

5 0
3 years ago
Dehydration synthesis leads to formation of ?
natima [27]

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monomers

Explanation:

The monomers combine with each other using covalent bonds to form larger molecules known as polymers. In doing so, monomers release water molecules as byproducts.

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4 years ago
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