Choose all the answers that apply.
what are some of the harmful effects of producing and using fossil fuels?
a. habitat destruction
b. increased volcanic activity
c. air pollution
d. add to greenhouse effect
e. water pollution

In a economy individuals answer the three basic and the central authority or leaders have little say in the economy.

Sam hated the long nights of winter! his mother called him in from playing so early: around 4: 30 pm! it is usually dark out when sam is eating supper. what letter represents the long nights where sam lives? a) a. b) b. c) c. d) d.

How can you use a maps legend to plan your travel