The opening and closing of ligan-gated ion channels
Answers:
Yes , restrictions should be given on who can buy explosives. In short only authorised officers should always investigator users of explosives, they should investigate safety and security matter that has to do with explosives. They should make a strict regulations and penalty for defaulters. I think advice should be given users and buyers that has access to, explosives to protect public safety, property and the environment.
Its has to be A that's just plain common sense
The answer will definitely be B) Compound Light Microscope because other cells can die from the other microscope, and their to powerful, so they can't handle it.
Genus. Becasue it goes genus then species ex:homo sapian
