Before the Europeans came, trade between Africa and the Middle East and India was controlled by:

a. kingdoms

b. pirates

c. city-states

Do you thing the same principles of wildlife management would apply to wildlife ecosystems

How many countries are there in the world

What is the significance of Hadrian 's Wall? The wall was a monument to fallen Roman soldiers. The wall marked the boundary between Ancient Greece and Rome. The wall was built as a temporary structure but lasted hundreds of years.

The himalayan mountain range was formed at which tectonic setting?

According to the online content article about days and nights on Earth, why does the length of a day change throughout the year? A. because the Sun revolves around the Earth B. because the Earth's axis is tilted C.

The lengths of the worms in inches are listed here

Scientists who study rock formations in caves describe some of the formations as "living rock" because, under certain conditions, they increase in size.

Pieces of ice that break off of a glacier and drift out to open sea are:

Landslides, mudflow, slump and creep are all examples of a. constructive force c. mass movement b. deconstructive force d. none of the above

Which of these protects Earth from harmful radiation when in the stratosphere but is a pollutant at lower altitudes? carbon oxygen ozone hydrogen