Why did they want to get rid of the romanovs?

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.

Residents of moldova are mainly a. russian b. ukrainian c. serbian d. romanian the answer is d. romanian

Suppose you had to resolve the problems believed to be caused by distance decay in russia. what would you suggest?