Q: What do the gonadotropins regulate?    Choices:  - temperature  - epigenesis  - mitosis  - gametogenesis  A:
gametogenesis
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Q: Dutch scientist christiaan huygens' principle of what states that every point on a wavefront is a source of wavelets that spread out in the forward direction at the speed of the wave itself?    Choices:  - electromagnetic dynamics  - energy propagation  - wave dynamics  - wave propagation  A:
wave propagation
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Q: What is the outer core made of?    Choices:  - compressed air  - solid rock  - solid iron  - liquid metal  A:
liquid metal
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Q: The testes produce sperm and secrete what?    Choices:  - thyroxine  - melanin  - estrogen  - testosterone  A:
