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wariber [46]
3 years ago
7

Question 2 of 10

Biology
1 answer:
Natasha_Volkova [10]3 years ago
4 0
D). Many different experiments are performed and repeated.
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cestrela7 [59]

Answer:

1.  Renewable

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3. Reforestation

I think this is right. I am not sure. Trust your instincts.

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A star’s apparent magnitude is a measure of
MAXImum [283]
It is how bright is is t the observer on earth...so wuld be c!!
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A five-armed sea star is cut into five equal pieces. How many sea stars will regenerate?
s2008m [1.1K]

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5

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3 years ago
How did the frequency of stimulation affect the amount of force generated by the isolated skeletal muscle when the frequency of
Alexxandr [17]

Answer:

When the frequency of stimulation of a muscle increases -without it having the opportunity to relax- a process called summation (addition) occurs, promoting an increase in the generation of force in the isolated skeletal muscle.

Explanation:

Summation is a phenomenon that occurs as a consequence of the arrival of successive stimuli that produce the contraction of the skeletal muscle before it achieves its partial or total relaxation, between subsequent stimuli.

<em>When the summation occurs in the muscle, the force generated on it increases its magnitude proportionally to the number of stimuli received, maintaining the muscle contraction in time</em>.

Tetany is the prolonged contraction of a muscle in an abnormal way, by the summation of stimuli received , as some bacterial toxins can produce. The summation can be temporary -when multiple stimuli reach the muscle in a determined time- or spatial, when the amount of stimuli activates a greater amount of motor units.

Learn more:

Spatial summation in a post synaptic neuron brainly.com/question/9632682

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4 years ago
Which of the following factors would NOT be a source of competition between a wolf and a bear?
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