Drastic changes in the climate of a region over long periods of time in Earth's history are likely due to

what naturally occurring gas in the stratosphere that is considered a pollutant in the lower atmosphere

What keeps the layers of the atmosphere separated? a. air pressure b. air composition c. changes in elevation d. changes in temperature trends

What colony was originally set up as a whaling colony

The what is located in the center of the U. S. and part of Southern Canada?

Which process is responsible for destroying shorelines along seawalls near urban areas? A. Deposition B. Eutrophication C. Groundwater infiltration D. Erosion

The US counties that border Mexico have an unusually high percentage of people in which age group? A. 0-17 B. 18-39 C. 40-59 D. 60-79

Identify the differences between hard and soft engineering coastal management strategies (4m marks)

Most common form of government found in Africa today

When were the chocolate hills discovered?

maria receives a cake order for charity event from a company. She uses 375g of flour, 250g of cocoa powder and 300g chocolate for a one kilogram cake. If the company orders a 7kg cake, what is the ratio of each of the ingredients that she needs?