Which abiotic factors play important roles in tropical forests?

Which evidence is most likely used to indicate the beginning of solar system formation? a. materials combined to form a mass. b. materials were pulled together by gravity. c. water condensed and collected to form oceans. d. different species of microorganisms lived on earth.

Countries that have a traditional economy often develop at a slower pace than countries with a free market economy. true or false

Which two nations are doing the most to combat their environmental issues?