Detrital sedimentary rocks are classified and named principally on the basis of ________
A) grain size
B) location
C) rock color
D) composition
Answer: A
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Which of the following types of radiation is used to create images of the internal composition of something because it is able to pass through many materials opaque to light?
A) Cosmic Rays B) Gamma Rays C) Infrared Radiation D) Ultraviolet Radiation E) X-rays
In general, the species most vulnerable to extinction are those that are
A) endemic, highly specialized, or limited to a single population. B) endemic and widespread in several large regions. C) genetically diverse and found in many regions. D) widespread but are not dominant in an ecosystem.
True north is a fixed geographic point
Indicate whether the statement is true or false
Comparing the three phases of water, molecules in the solid phase (ice) have the highest vibrational speed, and molecules in the gaseous phase (water vapor) have the slowest vibrational speeds
a. True b. False