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77julia77 [94]
3 years ago
8

How are the orbits of the planets described

Biology
1 answer:
Marina86 [1]3 years ago
5 0
It goes in a circle :p
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Ecology help i am sick help with 1-17 tons of points I am very sick and my teacher gave me work
jeka94
Here's what I came up with:
1. Scavengers
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3. Parasitism
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7 0
3 years ago
In radioactive dating, scientists determine the age of a fossil by
Lorico [155]
Scientists establish the age of a rock or fossil based on natural radioactive decay and certain elements such as potassium and carbon, this is used to make reliable “clocks” to date ancient events.
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6 0
2 years ago
A rainforest is an example of a _____. <br> biome<br> community<br> habitat<br> population
tatyana61 [14]

<span>A rainforest is an example of a community. A community refers to the interaction of various species within a common geographic location. Communities are also known as biological communities, where species interact and co-exist with another to thrive and survive their given environment. </span>

4 0
3 years ago
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Which body system protects the body against invasion by pathogens? A. nervous system B. muscular system C. excretory system D. i
lakkis [162]
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3 years ago
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After Frida stops exercising, she continues to breathe heavily. What is most likely occurring in her body?
Brilliant_brown [7]

Answer:

(D) Strenuous exercise has caused her body to be in oxygen debt, and she is breathing hard while lactate is transported to the liver. This is a result of anaerobic respiration.

Explanation:

As Frida was exercising, her muscle cells were undergoing a frantic pace of metabolism (contraction and relaxation), where oxygen supply did not supply the required effort, thus causing muscle fatigue and heavy breathing.

Physical activity is synonymous with moving muscles. The more muscle fibers strive to accomplish a task, the more they consume the oxygen brought into the bloodstream. When this occurs, the body begins to breathe hard as lactate is transported to the liver.

This forces the lungs to work at a fast pace, as they are responsible for oxygenation. The heart also speeds up because it needs to pump blood more vigorously. This is why during exercise the heart rate and breathing rate increase and we breathe heavily.

7 0
3 years ago
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