Which is oldest - rock unit L, N, or S?
What will be an ideal response?
L by superposition (N is a lava flow, note contact metamorphism below the flow)
Environmental & Atmospheric Sciences
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The fossil record reveals the true diversity of ancient plant and animal life
a. True b. False
Environmental & Atmospheric Sciences
Human impact on temperate forests include
A. logging. B. population centers. C. farming. D. All of these are correct.
Environmental & Atmospheric Sciences
Rocks that contain high amounts of silica typically also contain ________
A) calcium, magnesium, and potassium B) aluminum, magnesium, and potassium C) iron, magnesium, potassium D) aluminum, sodium, and potassium
Environmental & Atmospheric Sciences
The region of relatively unstable air that extends from the surface to the base of an inversion is referred to as the____________________
Fill in the blank with correct word.
Environmental & Atmospheric Sciences