A nation has a population growth rate of 3.2%. The country currently has a population of 12 million. In how many years will the population be 48 million, assuming a constant growth rate?
A)
44 years
B)
70 years
C)
88 years
D)
100 years

Which of these is a major trend in land plant evolution? a) the trend toward smaller size b) the trend toward a gametophyte-dominated life cycle c) the trend toward a sporophyte-dominated life cycle d) the trend toward larger gametophytes

Of seawater increases with decrease in the temperature. therefore, the cold water sinks to the deeper layers at the bottom

Which of the following can be reduced by the use of renewable energy sources? a. social costs b. economic costs c. environmental costs d. all of the above select the best answer from the choices provided a b c d