Two major approaches to non-fossil-fuel energy alternatives are renewable energy and
A) nuclear power.
B) geothermal.
C) wind energy.
D) solar energy.
Question 2
The fact that every organism in a biological community has a distinctly separate niche is largely the result of
A) abiotic factors: soil chemistry, temperature, and moisture.
B) competition among many species for limited resources.
C) seasonal climate changes.
D) the fact that nearly all species live at the limits of their tolerance boundaries.
Methane combustion as an energy–yielding redox reaction.
Canada's Major Fertilizer Producers and their Products
A roller cell-type electric fuel pump.
Major Wind Systems: Sea and Land Breezes
The Amounts of the Different Minerals in Your Body The major minerals are present in larger amounts
Overview of the major events and outcomes of mitosis and meiosis