All dunes have crests oriented perpendicular to the direction of wind movement Indicate whether the statement is true or false
F
Environmental & Atmospheric Sciences
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Any rock altered in the solid state from pre-existing rocks by any combination of heat, pressure,
and chemically active fluids:a. metamorphic rock c. sedimentary rock b. igneous rock
Environmental & Atmospheric Sciences
The "horse latitudes" are zones of minimal winds that are associated with the ________ system
A) subtropical high pressure B) trade wind C) westerly wind D) polar easterly wind E) intertropical convergence
Environmental & Atmospheric Sciences
What three components make up most magmas?
A) Silicon, potassium feldspar, and muscovite B) Water, melted rock, and solid crystals C) Lava, ash, and gas D) Liquid portion, solid portion, gaseous portion
Environmental & Atmospheric Sciences
A true glacier must
A. be over 1000 feet thick. B. contain large volumes of water. C. begin poleward of 60 degrees latitude. D. have some kind of motion.
Environmental & Atmospheric Sciences