When an iron-bearing mineral is heated above a certain temperature, it loses its magnetism. This temperature is about ____________

a) 110°C
b) 220°C
c) 340°C
d) 580°C
e) 1200°C


Answer: d) 580°C

Environmental & Atmospheric Sciences

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Frost wedging in the mountains produces ____

A)tailings B)talus C)conglomerate D)exfoliate E)regolith

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A foliation found in metamorphic rocks with more than 50% plate and elongated minerals is known as

____________________, and the rock this foliation is found in is called ____________________. Fill in the blank(s) with the appropriate word(s).

Environmental & Atmospheric Sciences

Most of Earth's organisms have been identified and classified

Indicate whether the statement is true or false

Environmental & Atmospheric Sciences

The most popular theory for the origin of the moon today is ________

A) the early Earth and a planet the size of Mars collided, and the ejected material coalesced to form the earth's moon. B) the earth captured a small planet, which is our moon. C) the moon and Earth coalesced from an eddy in the solar nebular, forming a binary planet system. D) the moon was formed when Mars and a comparable size planet collided, and the moon was ejected toward Earth and captured.

Environmental & Atmospheric Sciences