Q: Given the fact that: Differences in air pressure over the surface of the Earth result in wind. The greater the differences in air pressures, the stronger the wind. Answer the question: Lana is noting that the wind lately has been very strong. Lana can now tell that the air pressures over the Earth's surface have had differences that are greater or lesser?
A: greater

Q: Given the fact that: Countries with more industry produce more hazardous wastes than those with little industry. Answer the question: It is likely that China produces less hazardous waste than Canada because it has less industries. or more or?
A: less industries.

Q: Given the fact that: If we have two materials with the same volume, the material with a higher mass will be more dense. Answer the question: If there are two equal-volume objects, the densest object will be the one with higher or lower mass?
A: higher

Q: Given the fact that: With less ozone in the stratosphere, more UV rays reach the ground. Answer the question: What happens to UV levels under the ozone hole increase or decrease?
A: increase