4. What is the energy balance or energy budget in relation to the Sun and Earth?

Amountain created from tectonic activity would be considered which type of landform ? a) primary landform b) secondary landform

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.

What first caused people to consider that the continents were once one large landmass?