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Naddik [55]
4 years ago
7

*WILL GIVE BRAINLIEST+100 POINTS* i need a Model describing the carbon cycle

Biology
1 answer:
Andrew [12]4 years ago
8 0
The carbon cycle describes the process in which carbon atoms continually travel from the atmosphere to the Earth and then back into the atmosphere. Carbon is released back into the atmosphere when organisms die, volcanoes erupt, fires blaze, fossil fuels are burned, and through a variety of other mechanisms.
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The opening and closing of _____________in your heart create the lub-dub sound and prevent the backflow of blood.
iVinArrow [24]

Answer:

Heart valves or the closure of the mitral and tricuspid atrioventricular (AV) valves at the beginning of ventricular systole and the closure of the aortic valve and pulmonary valve at the end of ventricular systole.

Explanation:

The heart tone “lub,” or S1, is caused by the closure of the mitral and tricuspid atrioventricular (AV) valves at the beginning of ventricular systole.

The heart tone “dub,” or S2 ( a combination of A2 and P2), is caused by the closure of the aortic valve and pulmonary valve at the end of ventricular systole.

4 0
3 years ago
Binary fission is a form of asexual reproduction that is similar to mitosis in what way
Fittoniya [83]

Binary fission and mitosis are types of asexual reproduction in which the parent cell divides to form two identical daughter cells. Meiosis, on the other hand, is a form of sexual reproduction in which a cell divides its genetic material between the two daughter cells.


6 0
3 years ago
Which type of cells thrive in an isotonic solution?
RUDIKE [14]

Answer:

A 0.9% solution of NaCl (saline) is isotonic to animal cells. When exposing animal tissues to solutions, it is common to use an isotonic solution such as Ringer's buffered saline so as to prevent osmotic effects and consequent damage to cells.

Explanation:

hope this help

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3 0
3 years ago
Which of the following might occur if people fail to conserve water? a. increased sewage system failures b. increased numbers of
Maurinko [17]

Answer:

<h2>A. ) Increased sewage system failures</h2>

Explanation:

<h2>How can failing to conserve water contribute to the greater water contamination?</h2>
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9. Which organelles found in plant and animal cells are also found in bacterial cells
Vlad [161]

Answer:

ribosomes

Explanation:

hope it helps!

5 0
3 years ago
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