The characteristic "rotten egg" smell of many active volcanoes is derived from a. iron and magnesium within lava b. stale water within the magma chamber c. carbon dioxide gas d. hydrogen sulfide gas

Monkeys and bats have similar bone structure in their forelimbs. however, monkeys have longer forelimbs to use for climbing and swinging in trees. bats have shorter forelimbs to use for flight. which term best describes how monkey and bat forelimbs are related to each other? a. homologous b. embryonic c. analogous d. vestigial

Which of the following ocean acidification? are the most likely side effects of a ph less than 7.0 in the ocean b. more metal salts altering the ocean chemistry c. dissolution of the shells of marine organisms d. both a & b e. all of the above.

When you mate two plants together the terms is called? answer it fast as possible plz! i have a test tomorrow!