Brown algae are known as the ________
a. slime molds
b. chlorophyta
c. phaeophyta
d. rhodophyta
c
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Which of the following is predicted to occur in the 21st Century as a result of climate change?
A) An increase in global snowfall due to an increase in atmospheric moisture. B) Increased frequency and intensity of tropical cyclones due to increased ocean temperatures. C) Less lake-effect snowfall due to warming waters. D) Decrease in extreme snowfall events (blizzards).
What are the major problems that exist with, or are related to, groundwater supply? What will be an ideal response?
Oceanographers are studying the thermohaline currents to determine
A) whether they are becoming more acidic. B) whether global climate change may slow or alter their path. C) whether they could be replaced with artificial currents if damaged by changing temperatures. D) if warm water from polar and glacial melt is affecting the chemistry of the currents.
Specially-designed fire shelters provide firefighters with limited protection for what length of time under moderate fire conditions?
a. 10 minutes b. 15 minutes c. 20 minutes d. 30 minutes e. about an hour