Which one of these describe the spontaneous movement of heat energy?

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

How are the terms group and period used on the periodic table

Which of the following molecules is polar? c3h7oh c2h5cooh