While vacationing in hawaii you notice that the sands on the beach are composed of black sediments. what inferences can you make about these sediments?

Which volcanic eruption caused the most deaths

For one week be an inventor and write down ideas for products or services that you think should be produced

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.