Answer:
Girls have menstrual cycles because girls have changes of hormones in their body. The hormones make the lining of the uterus build up. This gets the uterus ready for an egg which when the egg is released it causes a period also known as a menstrual cycle which happens normally every month for at least 3-7 days.
Explanation:
C because she keeps to herself. That is not being social
The heart contains 4 chambers
Answer:
Answer D
Explanation:
In short, learning goals help people progress to the point where performance-outcome goals increase one's effectiveness. The focus of a learning goal is to increase one's knowledge (ability); the focus of a performance goal is to increase one's motivation to implement that knowledge.