I believe the correct answer from the choices listed above is option 1. ATP and calcium are the ones who participate in muscle movement. <span>Contraction is initiated by the release of calcium ions (Ca2+) upon the depolarization of the membrane, which is induced by nerve impulses.</span>
It is 27 days for the moon to complete one set of phases
hope this helps XD
Answer: 7
Explanation: JN=14 as well as LN. OL is half of LN so you divide 14 by 2
Hope my explanation made sense.
Sorry if it didn’t
Answer:
Superposition
Explanation:
Superposition. The law of superposition states that a sedimentary rock layer in a tectonically undisturbed sequence is younger than the one beneath it and older than the one above it.
Answer:
Population density is a measurement of population per unit area