Which of the following energy sources accounts for more than half of the renewable energy consumed?
A) solar energy
B) hydroelectric power
C) wind energy
D) geothermal
E) biomass
Question 2
Chestnut blight fungus kills U.S. chestnut trees because the trees ________.
A) release the fungus in the leaves that fall to the ground and the fungus is absorbed in the soil
B) are hosts to the vectors of the fungus
C) have not matured long enough to survive
D) release the fungus into the soil and it is drawn up in the roots
E) have not coevolved with the fungus
The major types of plant nutrients and their sources.
Energy flow through an ecosystem.
Radiative forcing expresses change in energy input over time
Solar energy heats the atmosphere, creates seasons, and causes air to circulate
Permafrost: High albedo, reflects as much as 90% of the Sun’s energy
Gravitational Potential Energy