Answer:
Acids in stomach changing proteins into amino acid
Explanation:
The acids help digest food
Answer:
the second one i couldn't find online (about rabbits)
Answer:
Climate change can melt ice in cold regions, and because ice is freshwater it can change the salinity of the oceans. Some marine animals may not cope with these conditions and may die as a result. This threatens biodiversity because there would be less species of marine life in our oceans.