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1 vote
Loretta and her friends want to find out which of their pets can run the fastest. Which kind of scientific investigation should they use?

A.

a controlled experiment

B.

development of a model

C.

a review of existing work

User Weizhi
by
8.5k points

1 Answer

0 votes
they should do A, a controlled experiment
User Zimbabwe Elephant
by
8.3k points
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