What is the most important reason that astronomers have learned more about our planetary system in the last 30-40 years than all of history before then?

All of the following are included in the tertiary industries category except A) restaurants B) banks C) construction D) government services

The northern hemisphere has a steeper temperature gradient in its winter than the southern hemisphere does in its winter because: a. the earth's axis is tilted 23.5 degrees to the north. b.

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What were the effects of glacial movement on the Nordic nations? Choose all that apply. (A) thousands of lakes (B) valleys jagged coastline (C) North Atlantic Current (D) rocky soil (E) fertile river

The worlds religions and ideologies are vital ingredients in the varied story of human civilizations and humankind's experiments with living. A. true. B. false found the answer to the question above.

scientists classify rocks into three different types what are the main basis for the classification system they chose?

What is the process where materials separate into different layers due to density?

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A large stream of moving water that flows through the ocean is called