Answer to Question 1
Fertility awareness methods rely on abstaining from sexual intercourse (or any penis-vagina contact) during a woman's fertile periods. The cervical mucus method involves a woman examining the consistency of vaginal secretions to track ovulation. The body temperature method requires daily monitoring of basal body temperature to track ovulation. The calendar method involves keeping an exact record of the menstrual cycle to attempt to predict the fertile period.
Answer to Question 2
A
Internal structures of main sequence stars, convection zones with arrowed cycles and radiative zones
William Kentridge, History of the Main Complaint.
Comparison of Scheduling Methods
Methods of Describing and Classifying Bacteria
Four methods of recording electrical activity of the nervous system.
Describe the Conceptual Forecasting Framework in your own words.