Colonization of Mars vocabulary

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________ properties have also been ascribed(attribute) to other elements.

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Those were some of the most ____________kinds of reptiles, spitting cobras, rattlesnakes, Komodo dragons.

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Spent fuel remains ______ for tens of thousands of years

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Smoking is not only ________ to a person's health, but also to the pocketbook.

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You can also contact us for information on _______ waste like asbestos.

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Prices on last minute airfare can be highly _______ so try to book in advance.

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Crop yields are highly ________ and unpredictable.

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They said he was ________ for comment, so I suppose he's a private person

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If friends are _______ or they don't have a clue either, try asking family members.

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Her voice was _____ and raspy.