Ques: Answer the following question given this paragraph: Water is involved in most biochemical reactions. Therefore, water is essential to life. Q: What substance, involved in most biochemical reactions, is essential to life? Choices: - carbon - nitrogen - air - water A:
Ans: water

Ques: Answer the following question given this paragraph: Food waste enters the large intestine from the small intestine in a liquid state. As the waste moves through the large intestine, excess water is absorbed from it. The remaining solid waste is called feces. After a certain amount of feces have collected, a sphincter relaxes to let the feces pass out of the body through the anus. This is elimination. Q: What substance is removed from waste as it passes through the large intestine? Choices: - blood - nutrients - air - water A:
Ans: water

Ques: Answer the following question given this paragraph: There are only about 25 living species of lancelets. They inhabit the ocean floor where the water is shallow. Lancelet larvae are free-swimming. The adults can swim but spend most of their time buried in the sand. Like tunicates, lancelets are filter feeders. They take in water through their mouth and expel it through an opening called the atriopore (see Figure below ). Lancelets reproduce sexually and have separates sexes. Q: Where do lancelets live? Choices: - on land - riverbeds - deep sea caves - shallow ocean water A:
Ans: shallow ocean water

Ques: Answer the following question given this paragraph: Deposition is the change of state from a gas to a solid. Q: Deposition refers to when a gas changes to what state? Choices: - half liquid half gas - liquid - plasma - solid A:
Ans:
solid