Need ! the table below shows the age of fossils found in four separate layers of an undisturbed rock: fossils in rock layers layer fossil in layer age of fossil (million years) a w 550 b x 240 c y 680 d z 450 which is the topmost layer of the rock? layer a layer b layer c layer d

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

What happened to the amount of carbon dioxide in the atmosphere from 2010–2017?

The chemical bond connecting one nucleotide with the next one along the nucleic acid chain is called a