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

Scientific_ must be able to generate predictions

What happens in the arctic circle during summer? why?

Which present-day countries make up the region known as middle america

What are some abnormal weather conditions? i have to write one paragraph on how they are the same and 1 on how they aren't and i cant think of any considering we haven't learned jack about them.

Among the countries on the margins of the South Asian region, population growth is highest in A. the Maldives. B. Nepal. C. Sri Lanka. D. Afghanistan.

1) Scientists do not agree on the causes and effects of global climate change. What is your opinion?

Which of the following is TRUE of independent agencies? a. They are created by Congress b. They are independent of both the President and the Executive Branch c. They are located only in the Cabinet Department d.

Use your knowledge of plate tectonics to explain why the supercontinent of Pangaea could have existed long ago. How did Pangaea break apart, and how were our continents formed? Explain your reasons in at least two to three sentences.

What is Deep-Ocean Exploration and Mining? Explain

Research shows that heavy urban growth causes major changes to: