Answer: "compound" .
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"A substance FORMED when 2 (two) or more elements combine and lose their distinct properties is a <u> compound </u><u /><u></u>" .
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Answer:
the black-coloured sand found in Fujairah may be specific to dark-coloured mountain regions in the emirate and the white-coloured sand is found close to the RAK mountains because of the presence of sandstone. there are my colours of sand present in all over the emirates of UAE. this maybe one of the reasons for which some mountains compared to others may differ in colour.
The answer is D. Wegener could not explain how the continents could move through the seafloor.