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.
Question 2
In general, as countries become more industrialized and developed,
A) use of contraception decreases.
B) the cost of raising children decreases.
C) people marry at an earlier age.
D) support of the elderly increases.
The Peary caribou is a relatively small and pale subspecies found in the tundra of far northern Nort
Growth of Plants
World Population Growth, Past 10,000 years
Technological advances are now so rapid that there can be cultural gaps between generations.
One of the cultural privileges of being white in the United States is less suspicion of wrongdoing.
Soybean plants in nitrogen-poor soil show how root nodules affect growth. Only the darker green plan