Despite dire predictions in the past, humans still inhabit Earth. A few economists would argue that this is because ________.
a. Malthus overestimated Earth's environmental sensitivity
b. world population growth has been slower than expected
c. technological developments have alleviated some of the strain on - Earth's resources
d. Malthus's measurements were inaccurate
e. space exploration has revealed new frontiers
Answer: c. technological developments have alleviated some of the strain on - Earth's resources
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The air inside a room is at a temperature of 18.3°C and has a mixing ratio of 5.2 g/kg. What is the relative humidity?
What will be an ideal response? __________ %
The Kyoto Protocol is to carbon dioxide as the Montreal Protocol is to ________
A) ozone B) nitrous oxide C) carbon monoxide D) chlorofluorocarbons E) methane
The major end product of chemical weathering is(are) _______.
a - clays b - sands c - silts d - talus e - airborne dust
The Earth is actually the farthest from the sun on
A) January 3rd. B) April 1st. C) July 4th. D) December 25th.