(Q).
Answer the following question given this paragraph: Oceans cover more than 70 percent of Earth's surface and hold 97 percent of its surface water. It's no surprise that the oceans have a big influence on the planet. The oceans affect the atmosphere, climate, and living things. Q: The earth's atmosphere, climate, and living things are effected by what feature that covers more than 70 percent of earth's surface? Choices: - rivers - continents - mountains - oceans A:
(A).
oceans

(Q).
Answer the following question given this paragraph: Protists are eukaryotes in the Protist Kingdom. Most are single-celled organisms. Protists are thought to be the oldest eukaryotes. They probably evolved when some prokaryotic cells invaded or were engulfed by others. Q: What is thought to be the oldest eukaryotes? Choices: - amoebas - prokaryotes - arthropods - protists A:
(A).
protists

(Q).
Answer the following question given this paragraph: A secondary alcohol forms a ketone when oxidized. The secondary alcohol cannot be further oxidized to produce a carboxylic acid. Tertiary alcohols cannot be oxidized in this way, because the carbon atom bonded to the OH group is not also bonded to any hydrogens. Q: What forms a ketone when oxidized? Choices: - enzyme - aldehyde - carbolic acid - secondary alcohol A:
(A).
secondary alcohol