How many times more massive is the sun compared to earth?

What is the earth matial ot igneous rock

Which of the following is not a challenge to instituting sound global environmental policies? a. most changes are inexpensive and easy to implement. b. elected leaders who support unpopular environmental issues often are not re-elected. c. economic considerations outweigh environmental ones in many societies. d. there is no way to enforce international environmental agreements.

The body paragraphs in an informative essay should include clear examples. a thesis statement. restated evidence. a clear direction.