In Addition to the Huge Hole in the Ozone Layer

question 16

True/False

In addition to the huge hole in the ozone layer over Antarctica, scientists have found smaller holes scattered over the Northern Hemisphere.

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Definitions:

Goodell Sign

An indicator of pregnancy characterized by the softening of the cervix and the vagina caused by increased vascular congestion.

Chadwick Sign

A bluish discoloration of the cervix, vagina, and labia resulting from increased blood flow, usually an early sign of pregnancy.

Cervix

The lower part of the uterus that connects to the vagina and dilates during childbirth to allow for the passage of a baby.

Human Papilloma Virus

A group of viruses that can cause warts on the skin or mucous membranes and may lead to cancers such as cervical cancer.