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pav-90 [236]
3 years ago
14

What causes an object with mass to have weight?

Biology
1 answer:
vovangra [49]3 years ago
5 0

Gravity is the attractive pull between two objects that have mass. The strength of gravity is directly proportional to the amount of mass of each object. ... An object with twice as much mass will exert twice as much gravitational pull on other objects. The gravitational force increases as the size of an object increases

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If you had a blue blood when it comes out of your body what would that be
Igoryamba

Answer:

Red blood

Explanation:

The bluish color of veins is only an optical illusion. Blue light does not penetrate as far into tissue as red light. If the blood vessel is sufficiently deep, your eyes see more blue than red reflected light due to the blood's partial absorption of red wavelengths.

5 0
3 years ago
Myofibrils are made primarily of
Nadusha1986 [10]

Answer:

A) actin and myosin  is a correct answer.

Explanation:

  • Myofibrils are the contractile fiber and they are made of actin and myosin.
  • Myofibrils are made of thick myofilaments and thin myofilaments.
  • Thick myofilaments are made up of myosin whereas thin     myofilaments are composed of actin.
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Thus Myofibrils are made primarily of (A) actin and myosin.

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Serga [27]

Answer:

pls mark brainlest The chemical composition of an igneous rock tells us about the origin of the magma, beginning with which type of rock melted within the earth to form the magma in the first place, and how deep in the earth the melting occurred. Once magma has formed inside the earth, its composition may be modified.

6 0
2 years ago
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Which statement best explains why the level of ATP in skeletal muscles changes during exercise?
melamori03 [73]
ATP or the Adenosine Triphosphate is referred to as the basic energy unit of the body. In the case of doing an exercise, what happens is that, the more someone increases his or her activity, the more energy is required and the body should compensate for this need. Therefore, the answer for this would be option D.
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