Answer:
A- Different species
Explanation:
Dogs and Cats are distinct species incapable of producing offspring because of the many differences in their genome.
In the enviroment isolated , animals have the time to "adapt" t their surroundings.
4 and F, 9and E r 2 of the answers
Rivers are large bodies contained of water which always move from the higher part to the lower. Over years It could change landscape of a land through erosion by slowly scrapping the land it passed through