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Savatey [412]
4 years ago
5

Choose the scientific question. A. Would you like to have a frog as a pet? B. Who is the smartest biologist alive today? C. Whic

h university has the fanciest lab equipment? D. How is the number of frogs in Massachusetts affected by pollution?
Biology
1 answer:
TiliK225 [7]4 years ago
7 0

Answer:

<em>The correct option is D)  How is the number of frogs in Massachusetts affected by pollution</em>

Explanation:

A scientific question can be described as a question which can be answered through the scientific method of research. Based on the scientific question, a hypothesis can be formulated. For example, for the option D, the hypothesis can be 'if the pollution increases, then the number of frogs decreases.' A hypothesis is a tentative statement which can be tested through experiments. Based on these experiments, results are formulated and conclusions are drawn. The question mentioned in option D can be answered through this method hence, it is the correct option.

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The thyroid is a butterfly-shaped gland that lies in front of the windpipe (trachea), just below the voice box. The parathyroid glands are four tiny glands located behind the thyroid gland. The parathyroid glands produce a substance (parathyroid hormone) that helps control the amount of calcium in the blood.
4 0
3 years ago
The _____ sits below the stage and varies the field for viewing the specimen.
Sophie [7]

Answer:

Diaphragm

Explanation:

This is also referred to as the iris.it is located under the stage of the microscope. It's main role is to control the quantity of light that gets to the specimen. The diaphragm is adjustable. Each if the 5 holes in the disc have varying diameter. And it is helpful for adjusting contrast and resolution as regarding the specimen

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Ugo [173]

Answer:

0.01

Explanation:

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leva [86]

Answer:

1 and 3

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