Why is Mars' greenhouse effect negligible compared to that of Earth?
A) Its mass is only one-ninth of Earth's.
B) Greenhouse gas emissions were greatly curtailed according to the International Mars Greenhouse Gas Reduction Treaty of 2003.
C) The Martian atmosphere is much thinner and retains little heat.
D) Martian carbon dioxide contains a rare isotope with little ability to trap heat.
C
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Iron atoms, Fe, are better reducing agents than copper ions, Cu2+. In which direction do electrons flow when an iron nail is submerged in a solution of Cu2+ ions?
A. Electrons cannot flow from the nail to the Cu2+ ions because there is no conductor between the two. B. The electrons flow from the copper ions in solution to the submerged nail. C. The electrons flow from the submerged nail to the copper ions in solution. D. The electrons flow from the positive charge on the nail to the negative charge on the nail.
Which of the following statements explains why hurricanes cannot form along the equator?
A. The Coriolis force is too small along the equator. B. There are no feedback mechanisms along the equator. C. It's too humid for the ocean water to evaporate. D. There isn't much water along the equator; it's mostly land.
Which scientist used a mathematical model and the rate of Earth’s cooling to calculate that the age of the Earth must
be 20-400 million years old? a. James Hutton b. John Joly c. James Ussher d. Charles Lyell e. Lord Kelvin
Which of the following expresses the values and assumptions of patriarchal ecology?
a. Women’s association with reproduction and the domestic sphere places them closer to nature. b. Men’s association with production and the public sphere distances them from nature. c. Women are associated with fulfilling bodily and emotional needs, while men are associated with rationality, civilization, government, and business. d. All of the above.