What kind of time span is required to produce most mineral deposits?

A) tens of thousands to millions of years
B) 1-100 years, or about a human life span
C) billions of years
D) We have no way of knowing this, but most were formed at the same time as the Earth.


A

Environmental & Atmospheric Sciences

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In polyglot states,

A) all spoken languages have equal economic and social standing. B) states grant legal equality to more than one language. C) the language that is native to the region is the most important for economic advancement. D) There are no polyglot states, so the issue is mute.

Environmental & Atmospheric Sciences

Solifluction occurs during the warmer months of the melt season

Indicate whether this statement is true or false.

Environmental & Atmospheric Sciences

Which of the following is NOT one of the five pillars of Islam?

A) accepting that Muhammed was a prophet B) praying five times a day C) making charitable contributions D) making a pilgrimage to Jerusalem E) fasting during the month of Ramadan

Environmental & Atmospheric Sciences

What causes most places on Earth to have seasons?

a) Earth is closer to the Sun in the Northern Hemisphere summer and farther away in the Northern Hemisphere winter. b) The spin axis is tilted 23.5. degrees to the plane of Earth's orbit, causing solar radiation to vary in angle as Earth revolves around the Sun. c) The spin axis changes with tilt, causing winter when the tilt is great and summer when the tilt is small. d) Days are longer during summer than winter, so the extra sunshine causes it to be warmer in summer and less sunshine causes it to be colder in winter. e) There is more ice in winter, so it is colder, and less in summer, when it is warmer.

Environmental & Atmospheric Sciences