Well, many organisms would die. Plants need light so they would die out rather quickly. The surrounding area would warm up initially due to the green house effect, but would eventually cool down.
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
I would think the second one would be correct. But I am not 100% sure.