What problem-solving techniques would a scientist use to find out how dolphins learn

According to the cladogram, which organisms have roundworms as a common ancestor?

Were does condensation occur? a) hydroshereb) lithosherec) boishered) atmosphere

20 points and brainlist 1. london has suffered from terrible air pollution for at least seven centuries. why is the city so prone to its famous “london fog? ” what did london do to get rid of its air pollution? 2. why does air pollution cause problems in developing nations more than in developed ones?