Which of the following substances is not an element? O Iron
O Oxygen
O Water
O Carbon
O Hydrogen
HURRY!!! IM TAKING A TEST!

Ascientist and her team counted 200 individual deer in an area of 10 square kilometers. what is the population density?

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.

Most enzyme names end in the