How big is germany compared to the united states?

Which statement best describes how chemical equations demonstrate conservation of mass?

The amazon river is in africa true or false

Which are practical examples of how people in the developed world could make a big difference in how much water they use check all that apply a. use lightbulbs that use less electricity b. consider using a composting toilet that does not use water c. avoid using your telephone during peak hours d. do not read books