Answer the following question given this paragraph: All living things need water. For most human uses, water must be fresh. Of all the water on Earth, only 1 percent is fresh, liquid water. Most of the rest of Earth's water is either salt water in the ocean or ice in glaciers and ice caps. Q: Although humans require it, what accounts for just one percent of all water on earth? Choices: - snow - salt water - glaciers - fresh water A:
fresh water
Answer the following question given this paragraph: The cardiovascular system is the system of organs that delivers blood to all the cells of the body. It's like the body's lifeline. Without the cardiovascular system circulating your blood, you couldn't survive. Q: What system of organs delivers blood to all cells of the body? Choices: - gastrointestinal - respiratory - integumentary - cardiovascular A:
cardiovascular
Q: Answer the following question given this paragraph: Electromagnetic waves may also be absorbed by matter and converted to other forms of energy. Microwaves are a familiar example. When microwaves strike food in a microwave oven, they are absorbed and converted to thermal energy, which heats the food. Q: Microwaves are converted into what kind of energy in a microwave oven? Choices: - solar energy - mechanical energy - light energy - thermal energy A:
A: thermal energy
Question: Answer the following question given this paragraph: The axe head and the doorstop are both examples of a wedge, a type of simple machine. Q: An axe head and a doorstop are types of what simple machine? Choices: - pulley - blade - lever - wedge A:
Answer: wedge
*Question*
Answer the following question given this paragraph: The direction of prevailing winds determines which type of air mass usually moves over an area. For example, a west wind might bring warm moist air from over an ocean. An east wind might bring cold dry air from over a mountain range. Which wind prevails has a big effect on the climate. What if the prevailing winds are westerlies? The westerlies blow from nearer the Equator to farther from the Equator. How would they affect the climate?. Q: The direction of prevailing winds determines the type of what that usually moves over an area? Choices: - storm - water mass - weather - air mass A:
**Answer**
air mass
Answer the following question given this paragraph: Pluto has three moons of its own. The largest, Charon, is big compared to Pluto. The Pluto-Charon system is sometimes called a double dwarf planet ( Figure above ). Two smaller moons, Nix and Hydra, were discovered in 2005. Q: How many moons does pluto have? Choices: - six - two - four - three A:
three