I thing B is the right answer
Answer:
Light bounces off a white cement sidewalk.
I do believe that it is C cause some plants grow in certain areas
The mechanism for evolution is natural selection
Answer:
Increased plaque, tooth decay and gum disease.
Mouth sores.
Yeast infection in your mouth
Explanation:
if saliva won't be produced or not enough of saliva would be produce it will let to viruses and microbes to develop and growth