In a small pond experiencing cultural eutrophication, the growth of duckweed will
A) add nutrients to the pond and encourage the growth of phytoplankton.
B) remove nutrients from the pond and encourage the growth of phytoplankton.
C) add nutrients to the pond and slow the growth of phytoplankton.
D) remove nutrients from the pond and slow the growth of phytoplankton.
D
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The UN Food and Agriculture Organization estimates the share of agricultural land farmed through ________ at 0.29 percent worldwide
A) family farms B) organic practices C) fruit farming D) subsistence agriculture E) forestry and logging
Which of the following will lead us toward sustainability?
A) reducing consumption and halting population growth B) creating industrial systems that are linear in design and operation C) increasing population growth D) runaway consumer growth E) increasing energy production
What body in our solar system is most like Mercury?
What will be an ideal response?
Features that grow up from a cavern floor are:
a. tower karst. b. uvalas. c. swallow holes. d. stalactites. e. stalagmites.