Biology, 27.05.2020 19:08 xxgissellexx
A student performed an experiment to see if water temperature affects the level of activity
in aquatic snails. The student set up four tanks with five snails in each tank. All four of the
setups were identical in every way, except for the temperature of the water. In order to
make the conclusions more valid, the student could
A.
alter the pH of the water
B.
change the size of the tank
C.
carry out the experiment for a shorter period of time
D.
use a larger number of snails
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A student performed an experiment to see if water temperature affects the level of activity
in...
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