What is the effect of trade between two distant cities?
A. Forms of currency change.
B. Ideas move with products.
C. Inflation rises.
D. One city dominates the other.

Japan is a group of four islands off the coast of asia. what effect do you think has had on the lives of the japanese?

Nwhat way does renewable energy differ from nonrenewable energy?

What evidence does the writer give to support his argument about coral reefs? a) he speaks of the activities of coral polyps. b) he describes the composition of the great barrier reef. c) he emphasizes the ways in which coral reefs are fragile. d) he points out the ways that scientists do research on the reefs.