Answer: B
Explanation:
After a muscle fiber is stimulated by a nerve signal, a release of stored calcium ions leads to muscle contraction.
Common electrolytes include sodium, chloride, magnesium, calcium and potassium.
Sodium and potassium help in the generation of nerve impulses while calcium aids muscle contraction. Sodium is also actively involved in the movement across cell membranes.
Amongst the options given, the possible answer would be "that Sayuri's intelligence is way beyond her years". A critical person can arrive at this answer because the situation stated that Sayuri had habits that differ from other children. Those extraordinary habits can be connected to the child's intellectual level. Kids that are more intelligent than the others will tend to display habits that are out of the ordinary.
The answer would be pubic hair. Because, secondary sexual characteristics.
Visible secondary sex characteristics are nonreporductive sexual characteristics.
For males things that will start to show are pubic hair, facial hair, and Adam's apple.
You can download answer here cutt.liz/NfBdf