Answer:
The correct answer is option C. "a muscular tube extending between the uterus and the external genitalia".
Explanation:
The vagina could be defined as a muscular tube extending between the uterus and the external genitalia. The vagina is attached to the uterus through the cervix, and it is the inner structure of the external genitalia where sexual intercourse takes place. Vagina is part of the internal genitalia of women, as well as the cervix, uterus, fallopian tubes, and the ovaries.
The thermosphere is a layer of the earth's atmosphere directly above the mesosphere and below the exosphere. It extends 56 miles to about 621 miles above the earth.
It is in the thermosphere that auroras are seen. An aurora is luminous atmospheric phenomenon appearing as streamers or bands of light sometimes visible in the night sky in northern or southern regions of the earth. It is thought to be caused by charged particles from the sun entering the earth's magnetic field and stimulating molecules in the atmosphere.
In the case of fish if you polute plastic into the ocean the water will break up the plastic and the fish will confuse the little particles of plastic as food and will try to eat it and can die