The principle of ____________________ states that, in a sequence of sedimentary rocks, those found at the bottom of the sequence are oldest. Fill in the blank(s) with the appropriate word(s)
superposition
Environmental & Atmospheric Sciences
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The earliest hominin fossil, Sahelanthropus tchadensis, is 7-million years old
a. True b. False
Environmental & Atmospheric Sciences
Describe the hydrologic cycle. What will be an ideal response?
Environmental & Atmospheric Sciences
Arroyo gullies _____
a. are rectangular b. are triangular c. are V-shaped d. are U-shaped
Environmental & Atmospheric Sciences
Water transported shoreward in the surf zone is returned seaward by ________.
A. shallow water waves B. refracted waves C. rip currents D. internal waves E. reflected waves
Environmental & Atmospheric Sciences