The boundaries of eras are marked by great worldwide changes in?

A) earth's crust

B) life forms

C) climate

D) continental coastline

A rapid change in ocean density with change in depth is the: 1. halocline. 2. thermocline. 3. barocline. 4. isocline. 5. pycnocline.

What body of water separates new zealand's north and south islands?

What desert covers much of northern africa?

What is the best means of transportation

Which of the following rivers allows for transportation and communication with people living in remote locations?

How do you know the worst shake of an earthquake has passed?

What influences the level and type of a country's government?

Which statements about tornadoes are true? Check all that apply. About 12,000 tornadoes hit the United States every year. A tornado looks like a funnel. Tornadoes are deadly atmospheric storms that cause millions in damages each year.

Which describes how Islam came to exist in Africa? A. Arabs brought it in the 8th century. B. Christianity started in Africa. C. Europeans brought it within the last few hundred years. D. Southeast Asians brought it in the 14th century.

What resources are located in the taiga