True or False
Abyssal plain is a topographic features of the deep-ocean floor.

According to the earth science reference tables, during which geologic time period were the continents of north america,south america, and africa closest together?

Which of the following is not a reason why shenzhen, china, is considered an emerging global city

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?