The Anvil Top of a Thunderstorm Often Marks the Beginning

question 113

True/False

The anvil top of a thunderstorm often marks the beginning of the stratosphere.

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Definitions:

Fetus

A stage in mammalian development, occurring after embryonic stage and before birth, where the organism undergoes significant growth and development in the uterus.

Conception

The formation of an idea or the beginning of a pregnancy when a sperm fertilizes an egg.

Organogenesis

The phase of embryonic development in which the organs of the body are formed, occurring after gastrulation.

Trimester

A term divided into three parts, often used to describe the three roughly three-month periods into which pregnancy is divided.