Which conditions are low air pressure system usually associated with
a. hot, dry weather
b. clear, dry weather
c. cold, dry weather
d. cloudy, wet weather

Which would happen if more forests were cut down? a. the nitrogen cycle would be stopped b. nitrogen would be fixed by bacteria more quickly c. the amount of co2 in the atmosphere would increase d. fossil fuels would build up in the soil c the amount of co2 in the atmosphere would increase