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pogonyaev
3 years ago
6

What type of system represents the cycling of matter on the earth?

Biology
1 answer:
Maslowich3 years ago
3 0
I think A but I'm not totally sure!! Good luck.
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Explain why there is a difference in the amount of oxygen taken in at rest and during the vigorous activity. ​
s2008m [1.1K]

Answer: During vigorous exercise your breathing rate increases in order to intake more oxygen

Explanation:  during vigorous exercise / activity the body needs more oxygen in order to produce energy so your breathing rate increases in order to reach the demand of more intake of oxygen , and your muscles work harder due to an increase in oxygen demand and how much oxygen the muscles take from the blood during vigorous exercises , BUT during rest we have normal rate of oxygen intake because your body is at rest at that moment .

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6 0
2 years ago
What process recharges our groundwater.
Alja [10]
Groundwater is recharged naturally by rain and snow melt , hope this helps :)
5 0
2 years ago
What is the difference between an element and a compound?
Marina86 [1]

Answer:

Common examples include carbon, sulfur, oxygen, iron, copper, aluminium. Elements are represented by symbols. Compounds are substances made from atoms of different elements joined by chemical bonds. They can only be separated by a chemical reaction.

Explanation:

Substances can be categorised as either elements or compounds. Both of these are made up of atoms, the only difference is an element is made of one type of atom whereas compounds are made of two or more different types of atoms.

3 0
3 years ago
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Disorders can occur as a result of a person missing chromosomes or having too many chromosomes. Which of the following cells wou
kaheart [24]

Answer:

sex cells with 23 chromosomes: 22 autosomes and one sex chromosome.

Explanation:

Sex cells are the gametes and are products of meiosis. These cells have haploid chromosome number. Human sex cells are sperms and egg which serve as male and female gamete respectively. Human sex cells have n = 23 chromosomes. Out of total 23 chromosomes, 22 chromosomes are autosomes while one is the sex chromosome (either X or Y chromosome). Deviation from this pattern can cause any genetic disorder.

5 0
2 years ago
What is the carrying capacity of an ecosystem for a given population
Oksi-84 [34.3K]

Answer:

The <u>carrying capacity</u> is the average species population size in a given ecosystem. This can be limited however by different environmental factors like availability of food, water, or shelter.

Explanation:

8 0
3 years ago
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