If numerical dating of rock unit A gave a crystallization age of 1.2 billion years, and numerical dating of rock unit F gave a crystallization age of 500 million years, then how old is rock unit E?
What will be an ideal response?
Answer: Rock unit E would have to be younger than F, so it's younger than 500 million years old. The information about A's age is superfluous.
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Which of the following is not true about snow/heavy rain and mass movements?
A) Melting snow adds lubricating moisture to the soil. B) Snow and rain both add weight to the soil. C) A lot of rain completely saturates the ground and decreases cohesion between particles. D) A lot of rain completely saturates the ground and increases cohesion between particles.
The highest rainfall tends to occur near: a. the equator
b. 60oS latitude. c. 60oN latitude. d. All of these choices.
The O horizon is ________
A) usually more sand than silt or clay B) composed of equal amounts of bedrock and organic material C) primarily loam D) primarily composed of organic materials E) composed primarily of bedrock
Which sea separates Australia from New Zealand?
a. Banda Sea b. Timor Sea c. Coral Sea d. Tasman Sea e. Cook Sea