Improving her diet and environmental factors. Exercise and have a healthy life
Answer:
Class Aves
Explanation:
Class Aves consist of birds. Birds have feathers and lightweight bones to help them fly.
The answer is A. Think of stomach acid when you think of pH the stomach acid degrades and mushes the food up making it easier to digest. So acid rain will make the water acidic hurting the environment
I DON'T KNOW TRY ASKING GOOGLE!!!!!