QUESTION: Which one of the following is likely to be most effective in reducing dental decay? (a) Eating fibrous food, e. g. apples, after meals.
(b) Cutting down on sweets, biscuits etc. between meals. 
(c) Cleaning the teeth after meals and at night. 
(d) Using an antiseptic mouthwash.

help me plz

Biology 1c cumulative exam i need awsners

Ineed a chemical reaction takes place in which erlergy is released. arrange the reaction's characteristics in order from start to finis lower energy of reactants higher energy of products higher energy of reactants transition state sd lower energy of products

According the inverse square law, doubling the distance from the source of the sound, a speaker, for example, will drop the sound 6 db each time. if you were standing in the back of an auditorium, 32 feet away from a speaker not using any amplification, would you be able to hear a speaker clearly? why or why not?