In 2011, the world’s population approached . A.
ten billion
B.
seven billion
C.
two billion
D.
one billion

Please select the best answer from the choices provided
A
B
C
D

What is likely to happen in the long term if the earth continues to absorb more energy than it emits? a. the earth will discontinue recycling energy. b. organisms will begin to compensate for the change by incorporating more energy. c. the overall temperature of the earth will increase. d. the nutrient cycles will happen more frequently. select the best answer from the choices provided a b c d

What is the largest river in the united states?

The first mathematical theory of tides was introduced by: galileo kepler newton cousteau