Which of the following is an example of ecology? a. Studying earthquakes b. Looking for planets in outerspace c. Creating pharmaceutical drugs d. Studying how global warming affects whales

When coal has reached it hardest, darkest form, it is called select one: 0 a. sub-bituminous b. lignite c. bituminous d. antrhacite next page

What is one way intensive agriculture can contribute to climate change? a. tree loss to agriculture increases earth's albedo b. livestock manure absorbs greenhouse gases c. large herds of livestock release greenhouse gases d. fewer trees are available to replenish petroleum stores appex

Which statement explains how gravity and intertia work together