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

The seed coat's most important function is to provide a) a nonstressful environment for the megasporangium. b) the means for dispersal. c) dormancy. d) a nutrient supply for the embryo. e) desiccation resistance.

Why are scientists concerned about the depletion of the ozone levels in the stratosphere?

Can someone pretty me with this ? it’s urgent.compare the three theories of emotion. here are the three theories of emotion. cannon-bard theory of emotion: the belief that both psychological arousal and emotional experience are produced stimultaneously ( at the same time) by the same nerve stimulus. james-lange theory of emotion: the belief that emotional experience is a reaction to bodily events occurring as a result of an external situation. ( “ i feel sad because i am crying.) schachter-singer theory of emotion: the belief that emotions are jointly determined by a nonspecific kind of psychological (bodily function) arousal and its interpretation, based on environmental ( natural surroundings) cues. which of these theories makes most sense to you? why. your response should be written using proper english spelling and grammar. and it needs to be 10 complete sentences.