The unique properties of water enable life to exist on Earth. Which of these is a property of pure water?
A, it dissolves many substances.
B, Itis slightly more acidic than air.
C, Its solid
form is more dense than its liquid.
D, It has a low heat absorption capacity.

Type the correct answer in each box. use numerals instead of words. if necessary, use / for the fraction bar. the following chemical equation shows the combustion of ethane. balance the equation by filling in the coefficients. c2h6 + o2 → co2 + h2o

Which is an example of a population?

Which would happen if more forests were cut down? a. the nitrogen cycle would be stopped b. nitrogen would be fixed by bacteria more quickly c. the amount of co2 in the atmosphere would increase d. fossil fuels would build up in the soil c the amount of co2 in the atmosphere would increase