There have been several instances in the last 150 years when valuable materials such as diamonds have been found contained in glacial debris
If one wanted to try to trace such valuable materials back to their source, which moraine would be most useful for tracing valuable gold deposits back to their bedrock source area?
A) Recessional moraine
B) Terminal moraine
C) Lateral moraine
D) Esker
Answer: C
You might also like to view...
A current of 20 amperes is the rate of flow of
A. 20 joules per second. B. 20 newtons per coulomb. C. 20 ohms per second. D. 20 volts per coulomb.
Hydrothermal vents are considered both a source and sink for ocean salts. How can one factor both add and take away salt?
a) As water interacts with hot rock, some materials are dissolved whereas others are deposited. b) Due to random variations in chemical reactions, salts are both deposited and dissolved in the vents. c) The dissolved material cycles round and round in the vents, first being precipitated and then dissolved, then repeating again and again. d) Hot vents give off material first as gas, which precipitates salt, only to be dissolved by fluids moving through the vent plumbing. e) The statement is incorrect. Hydrothermal vents are only a source for salts, not a sink.
Calculate the ratio of the agricultural land index to the population index for 1960 and compare it to the ratio for 2000. The ratios suggest that _____.
Fill in the blank(s) with the appropriate word(s).
Graphite and diamonds are polymorphs because both are made up of carbon atoms
Indicate whether this statement is true or false.