How in the do you calculate this in

in a population of gerbils, long hair (h) is completely dominant over short hair (h). if 18% of the population has short hair, calculate the percentage of the population that is expected to be heterozygous (hh).
29 percent
58 percent
80 percent
49 percent

burning of wood and coal

explanation:

the panel also concluded there's a better than 95 percent probability that human-produced greenhouse gases such as carbon dioxide, methane and nitrous oxide have caused much of the observed increase in earth's temperatures over the past 50 years.

just go with your heart buddy