3. An 8 kg cat is sitting in a tree on a tree branch. At the same height, a 2 kg bird is perched. Which statement is true?*
The cat has more potential energy than the bird
The bird has more potential energy than the cat
The cat and the bird have qual (nonzero) values of potential energy

Look at the following answer choices and determine which belongs in the both category. testable, can be disproven explains natural phenomena, has evidence to support it prediction, tentative, one or more scientists working together well established, many different scientists working independently, highly reliable

How do tides affect the organisms living in intertidal zones? a. no organisms live in intertidal zones due to the tumultuous environment. b. the mechanical forces of the waves keeps the organisms clean. c. only plants live in intertidal zones because the animals float away with the waves and never return. d. the mechanical forces of the waves can dislodge the organisms from their habitat.

The reactions that occur in the ribosome, where amino acids are combined to form proteins are anabolic or catabolic?