Answer:
a North American swamp or bog consisting of a mixture of water and partly dead vegetation, frequently covered by a layer of sphagnum or other mosses.
Explanation:
 
        
             
        
        
        
Punnet square
Let's call black 'B' and white 'b'
Being intermediate, gray cats will have the alleles 'Bb'
Being recessive, white cats will have the alleles 'bb'
          <u>       Gray  </u>
          |<u>  </u>|<u>  B   |  b |</u>
White |b|<u>  Bb | bb|</u>
          |b|<u>  Bb | bb|
</u>
^Apologies for the awful drawing XD
Bb = Gray
bb = White
So the cats can have gray or white fur (A)
        
             
        
        
        
The part of the brain that performs that function is the hypothalamus.
        
                    
             
        
        
        
Answer:
tributary
Explanation:
A tributary is a river that runs into another river.