In a controlled study, all variable are controlled except two.

ENVIRONMENTAL SCIENCES

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Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]

A	False
B	True
C	Either A or B
D	None of the above

Explanation:

Detailed explanation-1: -Why is it important to control all variables except one when studying cause-and-effect relationships? To be more confident that any differences observed were caused by the factor being investigated.

Detailed explanation-2: -In experiments, a researcher or a scientist aims to understand the effect that an independent variable has on a dependent variable. Control variables help ensure that the experiment results are fair, unskewed, and not caused by your experimental manipulation.

Detailed explanation-3: -Science assumes that the natural world functions in accordance with rules that do not change. Science does not deal with the supernatural.

Detailed explanation-4: -Environmental science is the study of how the natural world works, how our environment affects us, and how we affect our environment.

There is 1 question to complete.