Environment related opportunities for service include lake cleanup. The correct option among all the options that are given in the question is the first option or option "a". There are several other types of services also related to environment. I hope that this answer has come to your help.
This is true, Columbus came to the new world in 1492, and from then on, more people migrated to the new world.
They can look at where Florida is, and conclude that it is near the ocean.
