Magma consists of oxides of silicon, aluminum, magnesium, iron, calcium, sodium and potassium. Why is this so?
A) They are all heavy elements located beneath the surface of the earth.
B) They are all attracted to heat.
C) They all have low melting points.
D) They are all oxides.
Answer: A
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The cultural landscape is determined by the language in use in the area.
Answer the following statement true (T) or false (F)
Sedimentary rocks are comprised of material that comes primarily from
A. the same place the rock forms. B. the ground below. C. other locations.
Which of the following best matches the description?Compound with a high number of hydroxyl ions or high pH.
A. combustion B. electron C. pH D. isotope E. neutron F. photosynthesis G. entropy H. latent heat I. kinetic energy J. ion K. base L. proton M. acid N. respiration O. nucleus P. enzyme Q. potential energy
The impressions of fossil shells in this photograph probably indicate that the rock was deposited
A. by the wind. B. in a forest. C. in a dry climate. D. in the sea.