Family planning is often
a.
expensive in some countries, even though it is inexpensive in others
b.
cost-effective as it saves more money than it costs
c.
relatively cost-ineffective as it costs little more than it saves
d.
prohibitively expensive
e.
cost-free

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