According to the U.S. Department of Energy, the U.S. could meet the carbon emission reduction targets in the Kyoto Protocol
A) at a cost of approximately 5 to 10 billion a year.
B) at a savings of 7 to 37 billion a year.
C) at a cost of approximately 10 to 15 billion a year and with a risk of higher unemployment.
D) without any economic benefits or detriments.
Question 2
What two pollutants react with water to produce acid rain?
A) sulfur oxides and nitrogen oxides
B) sulfur oxides and ozone
C) nitrogen oxides and ozone
D) sulfur oxides and PAN
Organisms can be classified according to their source of energy
Absorption spectra and light energy
The carbon cycle "دورة الكربون"
Soil and the terrestrial reservoir for carbon
Global Energy Flow
Sodium is so widely available in foods that you don’t have to go out of your way to meet your ...