Answer:
Open channels allow an influx of sodium ions into the cytoplasm of the muscle fiber. The sodium influx also sends a message within the muscle fiber to trigger the release of stored calcium ions. The calcium ions diffuse into the muscle fiber.
Explanation:
since he memorized 15, he has only 10 left. so it should be 10/25
The answer would be a dangerous process, this is because the greenhouse effect traps gasses such as CO2 and other harmful gasses emitted from the Earth, that can ultimately lead to problems in the future.
The greenhouse effect is also the reasoning behind why scientist believes in Global warming and climate change.
Plus, the greenhouse effect is neither natural, new, nor artificial.
Answer:
It's option A- Solid
Explanation:
Solids have definite shape and volume.
Answer:
NASA
Explanation:
the secret meeting was held by NASA
