Ques: You are presented with the question "what is unique to mammals?" and the following answer choices: - fur - magnetism - eyes - scales - hair - skin - wool - cats Now knowing that hair is a fiber that is found only in mammals and all mammals have fur or hair, choose the best answer.
Ans: fur

Ques: You are presented with the question "To open more areas for water skiing, engineers could" and the following answer choices: - dam more rivers - to move people - protect them - vacation in Norway - Move to another area - build more snow machines - scrap all steam locomotives - Electric generators Now knowing that damming a river can cause a lake to form and you can also water ski on Lake Mohave north of Davis Dam, choose the best answer.
Ans: dam more rivers

Ques: You are presented with the question "What rate does weathering happen?" and the following answer choices: - ligt - mild - Winter - dangerous - down - varying - flooding - cycles Now knowing that the surface of a beach is formed by mechanical weathering and each beach experiences different rates of beach erosion, choose the best answer.
Ans: varying

Ques: You are presented with the question "what supplies the heart?" and the following answer choices: - organ - Energy - veins - ovaries - glucose - oxygen - sugar - alveoli Now knowing that veins generally carry deoxygenated blood and blood returns to the heart by the veins, choose the best answer.
Ans:
veins