Answer:
A.
Explanation:
I think it is A because the other reasons are just nonsense. Plus, A makes more sense because they wouldn't go down there to explore the Grand Canyon how they do today. I mean, maybe? But no. It's A. :)
I’m pretty sure Nike will set it at a high price at first but once the demand gets lower they would set it at a lower price.
Answer:
paralysis, lack of breath and death (because of a great deal of Acetylcholine)
Explanation:
The receptor-signal complex brings about a series of events that result in contraction of skeletal muscle. So, if a black widow spider bites you, its venom will cause your muscular system to paralyze, as well as your lack of breathing and lack of heartbeat leading you to die.
Answer:
Axon; Carrying signals away from the cell body
