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__________ form in sediment by wind, water currents, or waves.
Q7: A/an _ _ climate occurs near the
Q9: The half-life of a radioactive isotope is:<br>A)
Q28: Scientists study old landscape paintings to chronicle
Q31: Hydrothermal processes form _.<br>A) relatively little ore<br>B)
Q38: Hubble's law states that the:<br>A) most distant
Q42: Shale, siltstone, and sandstone belong to the
Q44: The principle of _ _ states that
Q47: The four industrial greenhouse gases are:<br>A) carbon
Q49: Precambrian refers to all the time before
Q52: In a placer deposit, gold settles out