At high latitudes, phytoplankton blooms are typically most limited by ________.
A. nutrients
B. temperature
C. grazing
D. light
Answer: D
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Humans have contributed to the warming of the atmosphere by both adding carbon dioxide (CO2) to the atmosphere and decreasing the capacity of the earth to remove it.
Answer the following statement true (T) or false (F)
"Tsunami" refers to
A) huge waves at sea that diminish somewhat and reach land. B) a sudden buildup of wave amplitude in shallow water. C) high-amplitude, high-frequency waves that reach shore. D) a series of waves that reach the shore in fast succession, causing extreme damage.
There are a variety of ways to approach waste reduction, with the exception of ________
A) reducing the amount a consumer purchases B) recycling the waste C) purchasing items that are reusable D) buying individual items, not in bulk E) reduced packaging
Biogeochemical cycles involve ________
A) the cyclic movement of materials through ecosystems B) only geological and chemical processes C) only biological processes D) heat loss from both respiration and photosynthesis