A because it’s based on the environment and the society
Mammals first appeared during the <span>Mesozoic </span>era.Hope I helped, good luck!'
Answer:
There are so many different ways that people communicate nowadays that would not have been possible years ago. The amount of people who have started campains for out Earth, for people in need, and for their interest is crazy and unbelievably. Would never have been possible without social media.
Explanation:
I think 2,5,1 but im not sure
