Examlex
Match each term with its corresponding definition.
-an ion with a negative charge
Radiation
The release or conveyance of energy as waves or particles across space or within a material medium.
Archaean Eon
The period of Earth’s history from the formation of the crust approximately 4 billion years ago, until 2.5 billion years ago; life originated during the Archaean.
Oceanic Trenches
Deep, narrow depressions in the ocean floor, formed by the subduction of one tectonic plate under another.
Polar Regions
Areas surrounding the Earth's geographical poles, characterized by extreme cold and seasonal variations in daylight.
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Q14: The postmenstrual phase is also called the
Q26: Healthy males produce the hormone estrogen.
Q30: Cerebrospinal fluid is part of the _
Q39: production of sperm cells<br>A)Semen<br>B)Androgen<br>C)Testes<br>D)Prostate<br>E)Gamete<br>F)Testosterone<br>G)Gonads<br>H)Spermatogenesis<br>I)Bulbourethral<br>J)Spermatozoon<br>K)Vas deferens<br>L)Seminal vesicles<br>M)Sustentacular cells<br>N)Epididymis<br>O)Penis<br>P)Scrotum<br>Q)Genitalia<br>R)Corpus
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Q169: Emission and ejaculation refer to the same
Q204: In a warm environment,the scrotum elevates and