Why should a student on a field trip in Yosemite National Park assume that a piece of rock, that when under a microscope shows tiny crystals, is basalt?
A) Basalt forms in lava flows.
B) Basalt forms underground.
C) Basalt is green.
D) Basalt is always hot.
Answer: A
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Which of the following is not a cultural subsystem?
A) technological subsystem B) ideological subsystem C) sociological subsystem D) material subsystem
The zone of wastage is the portion of a glacier where ____________________ exceed ____________________
Fill in the blank(s) with correct word
Which of the following statements is true regarding Steno's Law?
a. Steno's law explains that angles between equivalent crystals faces of the same mineral are consistent regardless of sample size, the size of crystal faces, or where the crystals were collected. b. Steno's law explains that angles between equivalent crystals faces of different minerals are consistent regardless of sample size, the size of crystal faces, or where the crystals were collected. c. Steno's law explains that angles between equivalent crystals faces of the same mineral are consistent regardless of sample size or where the crystals were collected as long as the size of the crystal faces are all equal to each other. d. Steno's law explains that angles between equivalent crystals faces of the same mineral are consistent regardless the size of crystal faces or where the crystals were collected as long as the sample size of the crystals is at least 100 specimens. e. Steno's law explains that angles between equivalent crystals faces of the same mineral are consistent regardless of sample size or the size of crystal faces as long as the crystals were collected together.
How do stalactites and stalagmites form in caves?