It is called menopause. It starts at the age of 40.
Answer:
Any given experiment has numerous control variables, and it's important for a scientist to try to hold all variables constant except for the independent variable. If a control variable changes during an experiment, it may invalidate the correlation between the dependent and independent variables.
Explanation:
Answer:
thanks i need more point bopleals
Answer and Explanation:
No thx, I have to study for my biology EOC exam..