Someone that makes you feel the happiest that you can be, the person you trust the most
        
             
        
        
        
Answer:
I think students should not have homework on weekends because that is a time students don't have to think about school and catch up with other things maybe they did not finish and they have there own things to do to and they worked so hard for the whole week so i think no.
Hope i helped and plz click that crown button :]
 
        
             
        
        
        
Oceans produce approximately 80 percent of the oxygen our planet needs to support animal life. Pollution that reaches the ocean through dumping, oil leaks, runoff, and other processes interferes with that oxygen production and poses a real threat to the oxygen content in our atmosphere. If the oxygen content decreases, it is likely that carbon dioxide will increase. This could have dramatic consequences for life as we know it.<span> </span>
        
             
        
        
        
Burning is a chemical process that involves a substance being broken down and changed into different substances so It is. 
For the other question you can determine it by it’s reaction to the heat.