Which of the following is an essential concept of human geography? a. diffusion b. assimilation c. acculturation d. all of the above

Read the article about the fraser river, one of the most important rivers in canada. what is the most important species of fish in this river? why are the numbers of these fish declining?

Ascientist is explaining how background cosmic radiation gives evidence of the big bang theory. she says that radiation has been detected everywhere equally as heat in the universe and is increasing. this has been shown to be residual radiation from the big bang. what error did the scientist make?

Land cool more quickly than water. as a result the pressure over the water is lower than that over the land, and the air moves from the land to the water. what is this known as. a) prevailing winds b) sea breexes c) land breezes d) valley breezes