Technician a says the harmonic balancer may be attached to the crankshaft using a woodruff key and center bolt. technician b says the harmonic balancer may be attached to the crankshaft using a square key and center bolt. who is correct? choose one answer. a. technician a b. technician b c. both technician a and technician b d. neither technician a nor technician b

20 pts i don't really get this xd1. what is the function in humans of the protein produced from that gene2. would you expect to find the same protein in other organisms? if so, which ones? 3. is it possible to find the same gene in two diff. kinds of organisms4. if you found the same gene in all organisms you test, what does this esuggest about the evolution of this gene in the history of life on earth? 5. does the use of dna sequences in the study of evolutionary relationships mean that other characteristics are unimportant in such studies? explain your answer. what am i supposed to do here