Why do temperatures in deserts drop so much at night after being so high during the day?

When the northern hemisphere is titled towards the sun, what two seasons will the hemispheres be facing?

Which of these limiting factors could cause tree squirrels to lose their homes? A. a natural disaster B. an increase in predators C. an animal disease D. an increase in competition for food

An area of land that is drained by a single river is called a/an:

Unlike adult mortality, there is no relationship between political stability in a nation and child mortality True or false

How are we supposed to graph this? |x|-3>1

The area just north of Lake Baikal is called?

When the Europeans traveled the Mississippi and the Amazon rivers, what did they bring to the native peoples of both continents? A. Gifts and wisdom B. Exotic plants and animals C. Smallpox and other disease D. Technology and knowledge

What are the major controlling factors for the variations of the water mass in the ocean?

The climatic effect that influences precipitation and air flow locally is

Does oceanwater contain any other minerals than salt