Which is the correct role of the excretory system? A. collects waste produced by cells and removes it from the body
B. it breaks down food, absorbs nutrients, and gets rid of solid waste
C. the body's transportation system
D. removes solid waste

Based on the results of this study, what questions remain unanswered? how can these questions guide future research

How many types of rock can form from the rock cycle

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.