In the atmosphere can earth's surface by blocking sunlight.
a. dust or ash; cool
b. dust or ash; warm
c. carbon dioxide; cool
d. carbon dioxide; warm

4the indian leaf butterfly has traits that allow it to resemble a leaf. the bright colors of the monarch butterfly indicate that the butterfly tastes bad and can be poisonous. how does the appearance of these butterflies them to survive? f the indian leaf butterfly is able to avoid predators while the monarch butterfly warns predators away. g. the indian leaf butterfly frightens predators away while the monarch butterfly poisons predators before they can eat it. h both butterflies rely on camouflage to avoid predation. j both butterflies cooperate with one another to avoid predation.

Adigestive system that is a series of tubes beginning at the mouth and ending at the anus is a digestive system.

Sea stars, sea urchins, sand dollars, and brittle stars are all memeber of a group, what is the common name of the group they are all in