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netineya [11]
3 years ago
8

Pretend you are writing in your field journal at the end of your stop in Tanzania. Be creative and write a paragraph describing

some of the animals you "saw" on the Serengeti Plains.
Biology
1 answer:
inysia [295]3 years ago
8 0
Try looking up pictures of animals that live there and describe what they look like, where they live, what they eat.
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Identify the structure of the human heart which is a valve that closes during each heartbeat to prevent blood from flowing back
Scilla [17]

The answer is pulmonary

valve. The pulmonary valve is found between the right ventricle and the pulmonary artery. The valve is a semi-lunar valve that opens when the pressure in the right ventricle is higher than that in the pulmonary artery (because the ventricle is filled with blood). When the ventricle pumps blood into the pulmonary artery, the pressure in the artery rises while that in the ventricle lowers. This closes the pulmonary valve preventing the backflow of blood into the right ventricle. Pulmonary artery takes blood to the lungs for oxygenation.

5 0
3 years ago
Lightning is one of the natural mechanisms by which atmospheric nitrogen is converted to ammonia or ammonium ions.
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Answer:

A

Explanation:

Nitrogen in the atmosphere can be transformed into a plant-usable form, a process called nitrogen fixation, by lightning. Each bolt of lightning carries electrical energy that is powerful enough to break the strong bonds of the nitrogen molecule in the atmosphere.

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3 years ago
Describe the path of blood flow through the earthworms circulatory system
kotegsom [21]
The earthworm has a closed circulatory system, and there are 3 main vessels: <span>aortic arches, dorsal blood vessels, and ventral blood vessels.

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ventral blood vessels: Responsible to carry blood to the back of the body

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7 0
3 years ago
Read 2 more answers
Define photosynthesis. What organisms are capable of this process?
Pepsi [2]
Photosynthesis happens when plants use the energy of the sun and other reactants to produce sugar and water that they need to survive. The reactants of photosynthesis are energy, carbon dioxide, and water. The products are glucose and oxygen.

<span>Energy (Sun) + CO2 (Carbon dioxide) + H2O (Water) -> C6H12O6 (Glucose) + O<span>2 (Oxygen).
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Photosynthesis is generally performed by various plants and bacteria.
7 0
3 years ago
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Cold air is denser than warm air and therefore has higher what?
Paraphin [41]
The answer would be 3...mass!
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