Farmer Jones noticed that some of his chickens grow much faster than the others. What can he use to increase the frequency of this trait in his chickens? A. mutations
B. genetic engineering
C. DNA fingerprinting
D. selective breeding​

What are some possible short and long term medical concerns for crew members on longer space exploration trips

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.

Which organism can most likely be classifild as domain bateria