Examlex
Astronomers can use ground-based telescopes to observe in the majority of which of the following parts of the electromagnetic spectrum?
Spermicide
A contraceptive substance that destroys sperm, inserted vaginally prior to intercourse to prevent pregnancy.
Birth Control
Techniques or instruments implemented to avoid conception for the purpose of regulating family size.
Natural Increase
The growth in population size as a result of more births than deaths, not accounting for migration.
Rate of Change
The speed at which a variable changes over a specific period of time.
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