The ocean is a great mystery unto itself. Diving deep down to the ocean floor, you never know what alien creatures you may meet or what pirate treasures you may find. Over the centuries the ocean has given rise to ...
To understand the pattern of development, certain fundamental and predictable facts must be taken into consideration. Each of these facts has important implications, which are explained in the following pages.
The first significant fact about development ...
Natural Family Planning, also called fertility awareness, refers to methods for planning and preventing pregnancies by observation of the naturally occurring signs and symptoms of the fertile and infertile phases of the menstrual cycle. Intercourse is avoided during the fertile ...
