(Q).
Q: Where do living things obtain the energy to carry out all life processes? Choices: - fuel - waste - oxygen - food A:
(A).
food

(Q).
Q: The purpose of scientific investigations generally is to test a what? Choices: - theory - question - suggestion - hypothesis A:
(A).
hypothesis

(Q).
Q: The central vacuole maintains turgor pressure against what? Choices: - the cell move - the cell multiplication - the cell addition - the cell wall A:
(A).
the cell wall