A. i think its this because they get their energy from gravity. its originally potential energy as a cloud but as the water droplets condense and collect into rain drops they get heavy and that potential energy is turned into kinetic energy. this isnt up there so A.

6 0

2 years ago

A scientist is designing an investigation to study the impact of the neck length of tortoises on survival rates in the Galapagos

Vinil7 [7]

Neck length is what is going to change so that is the Independent Variable. The Dependent Variable is the Survival Rate.

Hope this helps

3 0

3 years ago

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In a trophic pyramid, which of the following populations would be found in the trophic level directly above the producers?

bogdanovich [222]

Where are the following populations?