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Anna11 [10]
2 years ago
12

What star is a supergiant

Biology
2 answers:
Basile [38]2 years ago
4 0
The sun
is beacuse ti is the biggest star ever
ss7ja [257]2 years ago
4 0
Betelgeuse is classified as a red supergiant and it burns 100,000 more brightly than our sun. Talk about hot.
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A muscle fiber will respond to a stimulus when that stimulus reaches the __________ level. recruitment resting rigor mortis thre
saveliy_v [14]

When an external stimulus crosses the threshold, a muscle fibre will respond.

<h3>The level of the threshold</h3>
  • For the identification of the electrical activity carried out by the active muscles, the threshold level is a crucial consideration.
  • A portion of the electrical activity carried out by the target muscles may be excluded if the chosen threshold level is higher than the overall activity.
<h3>What is the stimulus threshold for muscle contraction?</h3>
  • A certain stimulus magnitude is necessary for muscle contraction.
  • The threshold stimulus is the smallest amount of force needed for a stimulus to cause a muscle to contract in response.
  • If the stimulus intensity is less than this threshold value, there is no response.

learn more about threshold here

brainly.com/question/28279471

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7 0
2 years ago
How has genetic engineering been used by humans in the past?
S_A_V [24]
Making foods bigger and “better” example would be fruit. A strawberry without genetic engineering are small and sometimes faster better. With GE it’s big and more red and filled with chemicals
3 0
3 years ago
Why are most of the stomata on the bottom of the leaf
larisa86 [58]

Answer: Stomata plays very crucial roles in plants. During photosynthesis, gas exchange takes place via the stomata. Water also evaporates from plants through the stomata. In plants, most of the stomata are usually on the bottom of the leaf IN ORDER TO PREVENT EXCESSIVE LOSS OF WATER.

During the day, the sunlight falls on the leaf directly and draws water from the plants. Locating the stomata at the underside of the leave reduces the amount of water that can be lost through excessive evaporation. Also, locating the stomata on the underside of leaves prevent  the leaves from taking in too much water during rainfall.

3 0
3 years ago
TRUE OR FALSE:
Neko [114]
1.true
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8 0
3 years ago
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4. Which of the following is NOT an inherited trait?
Goryan [66]
D. Ability to read

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4 0
2 years ago
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