Answer: Positive effects: Disease prevention, agriculture, transplants, pharmaceuticals
Negative: Herbicides, pesticides, mutations
Explanation:
Answer:
Cetacean
Explanation:
Let us start with the family Delphinade which is the largest in the Cetacean order, and relatively recent: dolphins evolved about ten million years ago, during the Miocene. Dolphins are among the most intelligent animals and their often-friendly appearance and seemingly playful attitude have made them popular in past and current human culture.
The first, second, and fourth statements are correct.
