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Westkost [7]
3 years ago
10

Check all of the items that are cycled through the biosphere in biogeochemical cycles.

Biology
1 answer:
Svetradugi [14.3K]3 years ago
7 0

Answer:

All are cycled through

Explanation:

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Given the amount of work required to move a box 5 meters across the floor is 100J. What is the force that is needed?
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work \: done \:  =  \: force  \times distance
Work done = 100J
Distance = 5 meters
Force = ?
force =  \frac{work \: done}{distance}
Force = 100/5 = 20N
Therefore, the force needed is 20 Newtons
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3 years ago
The leg muscles of a sprinter would differ from a marathon runner in that ________. The leg muscles of a sprinter would differ f
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Answer:

The correct answer is - per gram, the marathon runner's muscles would contain more myoglobin than the sprinter's muscles.

Explanation:

Marathon runners have smaller leg muscles and thinner quads and calves as marathon runners require slow-twitch muscles while in sprinters the fast-twitch muscle requires. Slow-twitch muscles of marathon runners have more amount of myoglobin, per gram than fast-twitch muscles.

Myoglobin acts as local oxygen storage that provides oxygen to the muscles in case of less oxygen supply than required temporarily and a marathon race is an intense exercise or activity that requires more oxygen.

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Answer:

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Explanation:

Motor unit and motor neuron are related terms, however they could not be used interchangeably because a motor unit is not comprised only of a motor neuron. A motor unit is made of a motor neuron, skeletal muscle fibers and neuron's axonal terminals. Therefore motor unit is a more broadly term, and is referred to the units that coordinate the contractions of single muscles.

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