I believe the asnwer would be B
<span>Nicotinic acetylcholine receptors (nAChR), are <span>ligand-gated ion channels and they can be a Na+, K+ and Ca2+ ion channel. Since nifedipine is a Ca2+ channel blocker (Ca2+ channel antagonist), it might inhibit the response of acetylcholine (if its receptor is Ca channel).</span></span>
Humans caused damaged by all the pollution in the earth atmosphere with is making global warming it changes by how much pullution is going into the atmosphere
I don't know at all im lost
Answer:
The inputs can be material, such as the silicon used in the computer chips in a phone, or energy, which is used, for example, to manufacture and operate a phone. Outputs can be usable products or wastes, which must be disposed or recycled. A life cycle analysis of a cell phone also includes an analysis of its individual parts.
Explanation:
Hope this helps!!!
-BB
