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Ksivusya [100]
3 years ago
9

Jon is researching the oxygenation of Earth’s atmosphere. Which unicellular organism do biologists consider to be the main contr

ibutor to that process?
A. paramecia
B. amoebae
C. dinoflagellate
D. cyanobacteria

Answer is D. cyanobacteria
Biology
1 answer:
andriy [413]3 years ago
7 0
Answer is D.... Cyanobacteria
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maxonik [38]

Answer:

Niacin  can be prescribed to therapeutically lower cholesterol levels.

Explanation:

Niacin, known as vitamin B3, is used to reduce the risk of heart attack or stroke in people with high cholesterol. Niacin has gained popularity in the last 50 years and is mainly used to raise the level of HDL (high density lipoprotein) cholesterol, also known as good cholesterol and lowering bad cholesterol levels.

However, niacin can cause health damage, so it should always be used with medical supervision.

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Arborviral diseases: Group of answer choices Refer to arthropod-borne viral diseases Can produce central nervous system illness
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Answer:

All of the options are correct.

Arboviral diseases are arthropod borne, they can produce central nervous system illnesses, transmitted by mosquito bites and also produce acute self limiting fevers.

Explanation: Arboviruses are viruses that are harboured by arthropods which includes mosquitoes, they have the capacity to cause illnesses which are acute and self limiting(it has the ability to resolve on its own without treatment). It has also been found to cause illnesses to the central nervous system(the brain and the spinal cord).

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3 years ago
Fats are broken down into saturated fats and unsaturated fats. which of these explains the difference between saturated and unsa
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In terms of chemistry, saturated fats contain the maximum number or greatest amount of Hydrogen atoms covalently bonded to both the end and internal or middle carbons. Thus, there are no carbon to carbon double and or single bonds present.

Unsaturated fats though do have at least a minimum of 1 carbon to carbon double and or triple bond for the inverse or opposite explanation of what was mentioned, that it does not have the maximum number of hydrogen atoms within the internal and or external carbon atoms in the structure of the organic compound.
4 0
3 years ago
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Can someone helppppppppppppppppppppppp
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Answer:

Lymphatic: bacteria invade the body but are removed with the help of cells

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Lymphatic system is the part in the body that uses the cells in your body to help it.

The endocrine system is about hormones and how the body needs to maintain stable and have homeostasis.

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2 years ago
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