The answer is hydrogen and oxygen
        
                    
             
        
        
        
Answer:
if people waste water it might lead to a shortage in the future
Explanation:
 
        
             
        
        
        
Here is the type of shots in the lord of the rings
 
        
        
        
Answer:
Yes
Explanation:
No matter what age, trees still give out oxygen. It may not be the same amount as an older tree, but it still has the same effect.
 
        
             
        
        
        
Answer:
Chemical digestion actually starts in the mouth when our saliva mixes in with the food. So, A. wouldn't really be correct. It's not the molars that are doing the chewing, but rather your jaw muscels. I don't even know what pepsin is... <u>C. would probably be your best bet because it's your saliva that breaks down your food and helps you chew it.</u> And D. your tongue just helps to move the food around...
Explanation:
Hope this helps you!!!