Biology, 09.01.2020 03:31 samueldfhung
Why are septic tanks and oxidation ponds not feasible for large municipalities?
Answers: 2
Biology, 21.06.2019 19:00
(! ) what’s fracking and what does it have to do with carbon, carbon dioxide, or fossil fuels?
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Biology, 22.06.2019 02:30
The theories on the expansion of galaxies maybe re-examined to strengthen science should not be tested to strengthen science will weaken scientific knowledge if they change will become laws if they don't change
Answers: 1
Biology, 22.06.2019 09:30
Parthenogenesis is a type of reproduction that does not require a mate. it’s rarely seen in birds and higher vertebrates. parthenogenesis involves the formation of a zygote. but this zygote is formed without fertilization. in parthenogenesis, in the absence of a male gamete, the ovum develops directly in the zygote.
Answers: 1
Why are septic tanks and oxidation ponds not feasible for large municipalities?...
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