Blood carbon dioxide level
The climate? I am not positive but i hope this helps
D is the answer. Because its the best answer. And because its more healthy to wash your hands before eating because it could have germs or dirt(be dirty) and when you wash them they will be clean but if you didn't your food will get germs and then eat that food and get germs in body then be sick. I hope this helps!
Answer:
The small intestine continues the process of breaking down food by using enzymes released by the pancreas and bile from the liver. Bile is a compound that aids in the digestion of fat and eliminates waste products from the blood
Explanation: