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kenny6666 [7]
3 years ago
15

Why are scientists concerned about the depletion of the ozone levels in the stratosphere?

Biology
2 answers:
tiny-mole [99]3 years ago
7 0
Because they are scientists...that’s what they do.
Andreyy893 years ago
4 0
Such deterioration allows large amounts of ultraviolet B rays to reach Earth, which can cause skin cancer and cataracts in humans and harm animals as well.
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What type of reproduction involves forming offspring from one parent
AleksAgata [21]

Answer:

Asexual reproduction

Explanation:

Process of creating new individual using one parent organism

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A molecule that serves to make reactions work
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Enzymes.
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3 years ago
what is the geocentric model (please give simple answer and this is for my notes so there is no choices to pick from)
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Any theory that the structure of the solar system in which earth is assumed to the centre of it all.

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5 0
2 years ago
Read 2 more answers
Which process is responsible for the growth and repair of human tissue ?
muminat

In general, the process responsible for the growth and repair of human tissue is the healing process, which takes place in three phases.

1. inflammatory response. Injured tissues release  chemicals that draw resources to the area, alert the body that damage has occurred and inhibit function to prevent further injury.

2. Repair phase. Once injured area is walled off and debris removed, construction to  replace or repair injured tissue begins. New blood vessels grow in the injured area maximizing transport within tissue.

3. Remodeling phase. Construction of permanent tissue , typically strong scar tissue made from dense network of collagen fibers. 

Looking at it from cell level, the process of mitosis is actually taking place during  healing. 

Mitosis is used for growth and repair and produces diploid cells identical to each other and to the parent cell. 

New cells are needed throughout life. These are for growth and replacement of damaged or worn out tissue. The body obtains such through the process of mitosis.

 

7 0
3 years ago
Read 2 more answers
Very rapid (i.e. in 1-2 seconds) responses to maintain normal blood pressure during a sudden decrease in blood volume by hemorrh
Tatiana [17]

Answer:

vasoconstriction of capillaries.

baroreceptors in the aortic arch.

Explanation:

Vasoconstriction of capillaries and baroreceptors in the aortic arch are the two quick responses of body to maintain normal blood pressure during hemorrhage. Vasoconstriction is very necessary for lowering acute blood loss during hemorrhage means escape of blood from a ruptured blood vessel as well as maintain body heat and arterial pressure. The function of baroreceptors is to respond to the change in the tension of the arterial wall when blood pressure changes.

7 0
3 years ago
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