When an oceanic plate encounters a lighter continental plate, it responds by diving under it, in a process called ____________________
Fill in the blank with correct word.
ANSWER: subduction?
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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.
What product is obtained by the hydrobromination of 2-methyl-1-pentene?
A) 1-bromo-2-methylpentane B) 2-bromo-2-methylpentane C) 2,3-dibromo-2-methylpentane D) 3,3-dibromo-2-methylpentane
Which of the following is the correct sequence from the surface to the bedrock in a typical soil horizon
A) O, A, E, B, C B) C, B, E, A, O C) S, O, I, L D) O, E, C, B, A E) A, B, C, O, R
In some areas, groundwater withdrawals are not being naturally recharged. This has led some to consider groundwater to be a ________ resource
A) variable B) nonrenewable C) renewable D) perpetual E) luxury