If you put a straw into a glass of water, the straw looks to be bent, although nothing has really happened to the straw. the term that describes this property of light is

The most important difference between a wedge and an inclined plane is a. their size b. their shape c. how they are used d. what they are made of

If we relied solely on the nonrenewable resources found in the u.s., which one would we run out of first at current usage levels? a. natural gas b. oil c. uranium d. coal

Why is rain likely when warm, moisture-laden air meets cold air? a) the lighter warm air will rise and cool down, causing condensation and rain. b) the cold air moves faster and pushes the warm air away, causing condensation and rain. c) the moisture in the warm air condenses on contact with the cold air, causing rain to fall. d) the cold air mixes with the warm air, reducing its temperature causing moisture to condense.