The primary anthropogenic source of atmospheric carbon dioxide (CO2 ) is
A) clearing and burning land.
B) rice farming.
C) respiration.
D) burning of fossil fuels.
D
You might also like to view...
What is/are the major driver(s) of plate motion?
a. mantle convection only
b. gravity only c. magnetism only d. mantle convection and gravity e. gravity and magnetism
Early in the 18th century, Thomas Malthus recognized the connection between human population growth and ________
A) increasing death rates because of the effects of Industrial Revolution B) increasing medical issues leading to high mortality C) the geographical size of the country D) decreasing birth rates E) resource availability
What new method is being used to calculate productivity by estimating the chlorophyll?
A) Biomass B) Orbiting satellites C) Radioactive tagging D) Light-dark reactions
Culture means to
A) care about and nurture something. B) nurture the growth of a plant but not ideas, customs, or beliefs. C) develop new variations. D) discard effective practices. E) teach art, music, and literature.