In the past decade, the United States government has
A) discouraged the use of alternate energy resources and promoted the use of fossil fuels.
B) promoted but not invested in the development and use of sustainable energy resources.
C) promoted and invested heavily through the Recovery Act of 2009 in the development and use of sustainable energy resources.
D) required the use of sustainable energy resources for more than 95 of our energy demands by the year 2020.
Question 2
Productivity of an ecosystem is best calculated by determining the
A) total amount of biomass in the system.
B) number of individuals of each species.
C) number of species present in the ecosystem.
D) total photosynthesis per unit area each year.
The mortality rate in the United States increases with age and is lower for women than men at every ...
One of the cultural privileges of being white in the United States is less suspicion of wrongdoing.
The three states of matter: solid, liquid, and gas.
The demand for energy is met by burning coal and other fossil fuels
Producer acquiring energy and nutrients from the environment
STDs in the United Stated