The speed of light is used to measure distances in space because

light travels really fast

light travels best in space

the distances are so immense

the distances are unknown

what is the north atlantic drift

What is flat plains on the seabed where a river deposits material over many years

A spring can be founded when the ground dips nelow the water table

What is the movement of sediments caused by?

What name have geographers given to the movement of the continents over millions of years?

The terrorist groups in Italy and Peru both wanted to A. gain personal freedom. B. separate from the country. C. unite various ethnic groups. D. overthrow the existing government.

Which condition will most likely result in the formation of a cloud? (1) wind speed decreasing (2) air pressure increasing (3) cool, moist air sinking (4) warm, moist air rising

What's a concern about diseases spreading in africa?

Which statement about life in rural villages is not true

What part of a map contains information on what the maps symbols mean?