Examlex
Two statements are given. Identify the statement for which a ratio of the measurements is meaningful. State "Neither" or "Both" if appropriate.
-1 - The fertilized grass grew 2.9 inches in a week, and the unfertilized grass grew 1.8 inches in the same week.
2 - The single-stage model rocket went up 287 ft, and the two-stage model rocket went up 412 ft.
Amnion
A thin, protective membrane that surrounds the embryo in the uterus, part of the amniotic sac that contains the amniotic fluid.
Coitus Interruptus
A method of contraception where intercourse is interrupted by withdrawal of the penis before ejaculation.
Withdraw
The action of removing or taking something back, or to cease participation or membership in an activity or organization.
Ejaculation
The discharge of semen from the male reproductive tract as a result of an orgasm.
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