Ques: Q: If a machine only changes the direction of a force without changing the ratio of the output/input forces, then what is its associated mechanical advantage? Choices: - 4 - 1.5 - 2 - 1 A:
Ans: 1

Ques: Q: Aquatic biomes are determined mainly by distance from shore and what other factor? Choices: - water temperature - salinity - species populations - depth of water A:
Ans: depth of water

Ques: Q: Which three colors are called the primary colors of light? Choices: - red, blue, yellow - black, white, red - blue, green, violet - red, green, blue A:
Ans: red, green, blue

Ques: Q: Fungi reproduce asexually by fragmentation and either sexually or asexually via what lightweight, windblown structures? Choices: - lesions - seeds - ions - spores A:
Ans:
spores