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kumpel [21]
3 years ago
13

What are the names of two coronaviruses that caused outbreaks in humans before 2020?

Biology
1 answer:
REY [17]3 years ago
6 0

Answer:

Coronaviruses are a large family of viruses that are known to cause illness ranging from the common cold to more severe diseases such as Middle East Respiratory Syndrome (MERS) and Severe Acute Respiratory Syndrome (SARS).

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A genetic factor for a trait that is always expressed when it is present is best described as _____.
murzikaleks [220]
If it is always expressed it is dominant, also dominant allele is a possible answer. If it is not expressed unless both alleles are the same, it is recessive.
4 0
3 years ago
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Farmers that select for breeding only trees that produced the largest fruit or cows that produced the most milk would be an exam
Flauer [41]
A or c. I thought technically it was selective breeding but i haven't done genetics in a while to know what it's actually called
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4 years ago
if the skeletal muscle cells in your leg are performing lactic acid fermentation to produce the necessary ATP for their proper f
Sonja [21]

Answer:

The O2 gas in uses in Aerobic Respiration and That O2 is performing that process to make ATP for your body and making glucose to function your body

Explanation:

Lactic Acid Fermentation is Anaerobic Respiration which doesn't Involve Oxygen

Sorry if I'm wrong

Hope this helps!

8 0
3 years ago
A population is a collection of all the types of organisms in an area.
stiks02 [169]
The answer of this question is False
8 0
3 years ago
Give the role of air in an ecosystem
Radda [10]

Sustain Life and Growth

Air consists one of the main life-sustaining gas called oxygen. Almost all living things breathe in and breathe out this air. Nitrogen and Carbon dioxide are also other gases that are vital for plants and their growth.

Combustion

Apart from this, air supports burning or combustion. The oxygen present in air help in burning of the fuels to basically carry out activities like cooking food, running industries and vehicles as well as generating heat and electricity.

Temperature Control

Another important aspect of air is that it helps in maintaining the temperature on the earth surface by circulating hot and cold air. Air acts as a conductor of heat as well. Even phenomena such as water cycle are dependent on air.

Supplier of Energy

Air which consists of energy is one of the main suppliers of energy. Living things are made up of cells and these cells extract oxygen within the blood to produce energy usually in the form of ATP. This biochemical generation of ATP is essential to maintain life on the earth.

Photosynthesis

Carbon dioxide, which is a component of air is used by plants during the process of photosynthesis. Here oxygen is also released by plants. And we already know how vital oxygen is.

3 0
2 years ago
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