Answer: A! Cycling!
Explanation: Cycling, stacking, pyramiding, and plateauing
Steroids are often used in patterns called "cycling."
Answer:
hey you asked so dont report me but my answer is true
Explanation:
puberty is the period during which adolescents reach sexual maturity and become capable of reproduction.
One of them is <span>Tortured or abused in at least 81 countriesFace unfair trials in at least 54 countries<span>Restricted in their freedom of expression in at least 77 countries</span></span>
Answer:
Option). about 20 percent of the calcium ion required for contraction comes from outside the cell.
Explanation:
Calcium ions play an important role in cardiac muscle physiology. Calcium ions influx is responsible for plateau phase after depolarization. Calcium ions also play role in muscle contraction with the help of troponin (regulatory protein).
For contraction, about 20 percent of calcium ions are supplied from outside of the cell, while rest of the calcium ions are released from SR (sarcoplasmic reticulum).
Thus, the correct answer is 'forth option.'
B. The air you breathe.
Because the rest of the choices are not environmental factors. Gang activity, and access to jobs and education are not environmental because environment are things about the world.