You've made the hypothesis that the less rainfall a cactus plant gets, the taller it will grow, since cactuses like dry conditions.
What should be the dependent variable in an experiment designed to test this hypothesis?
A. the height of the cactus plants
B. the hours of sunlight the cactus plants get
C. the amount of rain falling on the cactus plants
D. the type of soil the cactus plants are growing in
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Ответ:
b
Explanation:
because since the cactus likes dry environments, you are supposed to measure the amount of sunlight the plant absorbs
hopes this helps :)
Ответ:
a mutual electrical attraction between the nuclei and valence electrons of different atoms that binds the atoms together.
Explanation: