7. The magnification of a telescope can be modified by changing the

A wavelength

B objective lens

c eyepiece

D focal length of the objective

Why did the continents not possibly move the way Alfred Wegener described it

Why did governments first develop thousands of years ago?

Name and describe the two parts of the core

Volcanic eruptions and emissions from vegetation are the natural causes of which phenomenon? A. acid rain B. ozone layer depletion C. ozone layer hole D. global warming E. increase in sea levels

A map represents the Earth about 225 million years ago. What is the name of this landmass?

Why does it get dark at night?

The caucasus mountains are located between which two bodies of water?

Which statement is true? Select one: O a. tornadoes are the deadliest form of weather in the United States stion b. most fatalities from tornadoes are from weak tornadoes because they are far more numerous that violent tornadoes c.

How is weathering connected to the rock cycle?

Which climate zones have cool summers and warm winters?