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Bumek [7]
3 years ago
9

Which energy source can be used in the greatest number of areas? geothermal energy, wind energy, hydroelectric power, or solar e

nergy.
Biology
2 answers:
Klio2033 [76]3 years ago
7 0
Wind energy because it's natural and some places dont have electricity.
IRINA_888 [86]3 years ago
6 0

Answer:

Option (4)

Explanation:

The sun is the ultimate and best source of energy. A large amount of area on earth receives sunlight that can use it conveniently. The energy that is obtained directly from the sun is known as solar energy. This solar energy is widely and efficiently used in order to produce electricity.

There are many advantages of solar energy such as-

  • Easily available
  • Cheap
  • Pollution-free
  • Renewable resource
  • Alternate for fossil fuel

Thus, the correct answer is option (4).

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Answer:

A. Left ventricle; systemic

Explanation:

The ventricles are located on the posterior end of the heart beneath their corresponding atrium. The right ventricle helps to receives deoxygenated blood from the right atria and pumps it through the pulmonary vein and into pulmonary circulation, then transported  into for gas exchange via the lungs.

The left ventricle receives oxygenated blood from the left atria and pumps it through the aorta into systemic circulation in order to supply the tissues of the body with oxygen.

The walls of the ventricles are  the thickest  and strongest. This is because the amount of work on the left ventricles, which pump blood throughout the body and lungs, is much greater than the pressure generated by the atria to fill the ventricles.

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Explanation:

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In experiments where researchers suspect that a hormone may be responsible for a certain physiological effect, they may cut the
irina [24]

Answer:

A) To make sure that the effect is not occuring through actions in the nervous system

Explanation:

In the above scenario, researchers actually studies the effect of hormone to the organ but they are in a situation to study the effect on organ are either hormone base or nervous system base (neurons). For this reason they will cut the neurons to study the effect of hormone on the organ.

So, to check the effect of hormone they should cut the neurons to make sure these effect are not due to actions of nervous system.

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