A drop of iquid mercury is D. <span> a pure substance and an element. This is because mercury is an element which exists as liquid in the normal or standard conditions. It is a metal that is toxic to all environments. It is pure because it is composed only of one kind of substance.</span>
Answer:
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B. A Tundra is less humid than a desert.
Reasoning: Tundra’s experience low temperatures while deserts experience hot/humid temperatures.
