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Sav [38]
4 years ago
8

PLEASE HELP!!!!

Chemistry
1 answer:
shtirl [24]4 years ago
6 0
1) d

2) b because the independent variable is the thing you change/control in an experiment

3) c because the dependent variable is the thing being measured in an experiment

4)hmm it might be d, as c and a are both correct as different sized feeders would make it an unfair test and different types of food would as well

5) c

6) a

7) b obviously because if he activated them at different times then the ones activated last would have an advantage

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