The glass with the alcohol will contain a mixture. This is because the melted ice will then be incorporated into the alcohol, creating a mixture of water and alcohol. However when the ice melts int he water, since ice is just frozen water, it the glass is still a pure substance because water is a pure substance and no other different substances have been added to it. <span />
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These are some of the disadvantages of sexual reproduction: time and energy are needed to find a mate.
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1: American Indians gained access to manufactured goods.
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"Energy decreases as it moves up trophic levels because energy is lost as metabolic heat when the organisms from one trophic level are consumed by organisms from the next level. ... A food chain can usually sustain no more than six energy transfers before all the energy is used up." By the way this is from the internet but from what I read it should be false mark brainllest if you want.
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