Which of the following best matches the description?Molecule or atom which has lost or gained an electron.
A. pH
B. potential energy
C. base
D. nucleus
E. combustion
F. neutron
G. ion
H. acid
I. entropy
J. proton
K. kinetic energy
L. photosynthesis
M. isotope
N. enzyme
O. electron
P. latent heat
Q. respiration
Answer: G
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Which of the following statements is false?
a. Market prices clearly reflect dwindling mineral supplies. b. High prices would encourage recycling and reuse. c. Low mineral prices are caused by failure to include the external costs of mining. d. Low prices encourage waste and faster depletion. e. Two of these choices are false.
Which nation in Latin America remains the top producer of cocaine?
A) Peru B) Argentina C) Chile D) Colombia E) Brazil
How might the presence of life on another planet be inferred from the composition of that planet's atmosphere?
What will be an ideal response?
Some climate scientists feel that humans have affected climate and greenhouse gases in the atmosphere for at least 5000 years, dating back far before consumption of fossil fuels. Based on what you have learned in this chapter,
how could the rise of agricultural societies have produced this longer impact on climate? What will be an ideal response?