(Q).
Q: All chemical changes involve a transfer of what? Choices: - hydrogen - pressure - nitrogen - energy A:
(A).
energy

(Q).
Q: Where do most cnidarians live? Choices: - grass - hills - rocks - ocean A:
(A).
ocean

(Q).
Q: Plants alternate between haploid and what? Choices: - triploid - monoplooid - monoxoid - diploid A:
(A).
diploid