At what temperature does a stars core begin its function reaction

A majority of the world's energy comes from which sources?

1. Why is the "greenhouse effect" important for life on the earth? A It keeps the sun's heat and light equal. B It keeps the earth's air and water warm. OC It protects the earth from solar radiation. D It determines the position of the earth. nd Use

How does the Sun's gravity influence tides?

A major feature of the atmosphere of mars is

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The city of Chicago would appear larger and with more detail on a map with a scale of 1:50,000 than on a map with a scale 1:1,000,000 true or false

What are the terrestrial planets?

What map is used to make road and weather map

What were the Egyptian political and religious leaders called? A. kings B. pharaohs C. emperors D. sultans

What do you think what do you notice about population distribution and settlement location in ancient Egypt