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mars1129 [50]
3 years ago
5

Dr. Turner forms the hypothesis that ingesting caffeine prior to an exam will improve exam performance. In a study, she gives ha

lf of the participants coffee and the other half water. She then gives the participants an exam. In this experiment, what is the experimental group
Social Studies
1 answer:
otez555 [7]3 years ago
6 0

Answer:

The options are

a.

The group that drinks water

b.

The performance on the exam

c.

The group that has coffee

d.

There is no experimental group as this is a case study

The answer is c.The group that has coffee

Explanation:

Dr. Turner is said to form the hypothesis that ingesting caffeine prior to an exam will improve exam performance. In a study, she gives half of the participants coffee and the other half water. It is known that tea contains caffeine. The investigation and experiment is centered around Caffeine which makes the group that has coffee the experimental group while the people who took water will be the control group which will be used in comparisons with the results gotten from the experimental group.

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Fill in the blanks to complete each statement about metamorphic rocks. Rocks beneath the surface are forced toward the . This in
telo118 [61]

Answer:

Rocks beneath the surface are forced toward the mantle

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Explanation:

Metamorphic rocks are those that originate from the transformation of an existing rock, called a protolite. In the formation of the metamorphic rock it is necessary that the protolite undergoes several processes of chemical and physical chemical nature, called metamorphism, which causes a change in the structure and minerals of the protolite, forming a new rock, the metabolic rock.

In summary, we can say that during the metamorphism rocks beneath the surface are forced toward the mantle. This increases pressure and heat. Magma pockets rise, increasing heat. Temperature and pressure cause to change minerals

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4 years ago
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