Choose all the answers that apply. precipitation: a. occurs evenly all over the earth b. returns freshwater to the earth c. is the change from a liquid into a gas d. occurs when snow and ice change directly into water vapor e. falls mostly in the form of rain

The carbon cycle is best defined as a process in which a. carbon changes from inorganic forms to organic forms and back b. carbon is changed into other elements such as oxygen or nitrogen c. carbon is continually created from the sun’s energy by plants d. carbon is consumed and regenerated from other elements such as oxygen and nitrogen

18. which statement about cancer is true?

Overtime the pond slowly becomes more acidic due to the release of chemicals from a nearby factory. which of the organisms would most likely survive the change to their environment?