What is the name for pulverized rock that is explosively ejected along with magma?
A. Lava
B. Flood basalt
C. Pyroclastic material
D. Pillow basalt
Answer: C
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When you set a pot of tap water on the stove to boil, you'll often see bubbles start to form well before boiling temperature is ever reached. Explain this observation.
A. These are dissolved salts heating up and escaping from the water. B. They are very minute pockets of water in the gaseous phase. When they get large enough, the water will boil as this gas escapes. C. These bubbles are formed as the surrounding gases from the air dissolve into the water as it is heated. D. These initial bubbles are the gases that were dissolved in the water coming out of solution. The solubility of gases in water decreases with increasing temperature.
This component describes the overall rotation of air
A) absolute vorticity B) relative vorticity C) Earth vorticity D) Rossby vorticity
The oldest fossils of the first vascular land plants have been found in ____________________ age rocks
Fill in the blank(s) with correct word
The National Weather Service measures air pressure in the unit of a millibar, which is equivalent to:
A) 500 Newtons per square meter. B) 10 Newtons per square meter. C) 100 Newtons per square meter. D) 1000 Newtons per square meter.