Answer:
The polution from burning the trees. Also, the loss of oxygen from the loss of trees. 
Explanation:
hope this helps a little
 
        
             
        
        
        
Answer:
When one phosphate group is removed by breaking a phosphoanhydride bond in a process called hydrolysis, energy is released, and ATP is converted to adenosine diphosphate (ADP).
Explanation:
 
        
             
        
        
        
THE DOG HAS 2 BROTHER is the example of discrete data. 
The dog has 2 brothers.
<u>Explanation:</u>
Discrete data is the information that can be categorized into a classification. Discrete data is based on counts. only a few finite number of value is possible. 
It consists of whole number that are counted rather than measured. It can be classified  into two type, one is discrete and  other is continuous data, where the discrete is countable of the object and the continuous  is measurable one. 
The dog has two brother is the example for discrete data because the number can be countable, remaining statement are continuous because they are measurable statement, it is always comes under the data continuous.
 
        
             
        
        
        
i believe the answer is b radioactive nucleotide