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Whitepunk [10]
3 years ago
7

Which action describes an experimental investigation

SAT
2 answers:
m_a_m_a [10]3 years ago
6 0

Answer: a "fair test" is designed and variables are actively manipulated, controlled, and measured

Explanation:

Experimental investigations involve a process in which a "fair test" is designed and variables are actively manipulated, controlled, and measured in an effort to gather evidence to support or refute a causal relationship. Experimental investigations have a control group which does not receive any treatment.

LenaWriter [7]3 years ago
5 0

Answer:

Answer:

A. Exploring the relationship of the material in a rock sample and its

   hardness.

B. Measuring the temperatures at which two rock samples melt.

C. Describing the types of materials that make up one rock sample.

D. Comparing the sizes of the crystals in two rock samples.

Explanation:

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