The IPCC Fifth Assessment Report concludes
A) humans are likely (99% certainty) responsible for the climate changes since 1950.
B) no consensus on recent climate trends exists; some maintain it is mostly human-caused, others maintain it is natural fluctuations.
C) that while climate change is occurring, it is largely natural climate fluctuations.
D) it is highly doubtful that recent climate trends represent anything more than a temporary perturbation in the long term climate signal.
E) general circulation models (GCMs) have too much uncertainty to use them in assessing anthropogenic and natural climate change.
A
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Valley glaciers carve valleys with______ .
Fill in the blank(s) with the appropriate word(s).
A mineral is light colored, transparent, has a hardness of seven, and fractures rather than cleaves. What minerals is it?
A. biotite B. muscovite C. garnet D. quartz E. feldspar
Compared to the windward side, the leeward side of a mountain range will most likely have
A) lower levels of transpiration and precipitation. B) higher levels of precipitation and lower levels of transpiration. C) higher levels of humidity. D) lower levels of sunshine.
Rainforests occupy approximately ________ of the world's land area, but represent about ________ of Earth's species
A) 7%; 50% B) 10%; 35% C) 2%; 12% D) 12%; 65%