Minerals that possess ____________________ break, or split, along smooth planes of weakness determined by the strength of their chemical bonds. In contrast, a(n) ____________________ is mineral breakage along irregular surfaces
Fill in the blank(s) with correct word
cleavage, fracture
Environmental & Atmospheric Sciences
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At the beginning of the Proterozoic, Earth’s atmosphere was mostly ____
a. oxygen b. nitrogen c. carbon dioxide d. water vapor e. argon
Environmental & Atmospheric Sciences
Uniformitarianism states that geologic processes today operated with equal intensities and rates in the past
a. True b. False
Environmental & Atmospheric Sciences
?What makes harmful algal blooms so dangerous?
Fill in the blank(s) with the appropriate word(s).
Environmental & Atmospheric Sciences
What type of volcano is short-lived, relatively small, and is commonly on the flanks of other volcanoes?
A. Caldera B. Shield C. Dome D. Cinder cone E. Composite
Environmental & Atmospheric Sciences