Is calling good or bad for a crickets fitness

It's good for calling a mate, but it lets predators know their location. Give some examples of selection at work in this cricket story. ... Selection favors it because it attracts females, but it also attracts sneaky males and predators.

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.