The green revolution refers to advances that took place in?

The large connected urbane area from boston to washington, d.c. is often referred to as

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.

In a command economy, the majority of goods and services are provided by the