Ecological research that predicts the environmental effects of a proposed course of action is called

You could say the relative location of washington, d.c.

The english language is part of which language family? a. alatic b. dravidan c. indo-european d. khoisan

This is a 2017 topographic map of puerto rico in the united states, and i'm sorry that people there have suffered such a disaster. i want to ask, what do the yellow dots and areas represent on this graph? and the blue area and the little blue circle, and the little blue sign that looks like a signal tower, what do they stand for?