Which of these could be sources of chemical compounds that could be used by life in Europa's ocean, if such life exists? Check the TWO choices that best apply.   a The creation of organic molecules when ultraviolet light from the Sun gets  through the ice. b The bombardment of the surface ice by Jupiter's intense radiation c The eruption of organic chemicals from volcanoes in the icy shell. d The cycling of ocean water through minerals in the seafloor.

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Environmental Pollution

Environmental pollution occurs due to some unwanted alteration in the surroundings which results in unfavorable effects on all organisms of that surrounding.