Answer:
they should be ready to bring water to the canyon
Explanation:
 
        
             
        
        
        
Answer:
um dunno what the answer choices are so here 
- Include a brief summary of the paper's main points.
- Ask a provocative question.
- Call for some sort of action.
- Universalize (compare to other situations).
- Suggest results or consequences.
 
        
             
        
        
        
I am pretty sure the answer is increase and increase. Because enzymes are affected by changes in pH. The most favorable pH value - the point where the enzyme is most active - is known as the optimum pH. Extremely high or low pH values generally result in complete loss of activity for most enzymes.
 
        
             
        
        
        
Answer: 
 expansion of the universe makes galaxies move farther apart
Explanation:
The universe becomes less dense as the universe expanses. Draw dots on a balloon and watch them as the balloon fills with air.