The percentage of visible light reflected by an object or substance is called its:
A) albedo.
B) emission.
C) absorption.
D) secondary reflectance.
Answer: A
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The Columbia River volcanic field is related to ____
a. Miocene lava flows b. Eocene subduction c. a recent mantle plume d. Oligocene extension e. Miocene subduction
The rock cycle was conceived by James Hutton in an attempt to explain how
A. sedimentary rocks are formed deep within Earth. B. the Earth was formed. C. older rocks become new sediment. D. metamorphism occurs in surface environments.
In the process of Lithification, what kinds of steps can be found?
a. Chemical weathering b. Physical weathering c. Compaction d. Cementation e. both c and d
Which type of technology has helped reduce pollution from automobile exhaust?
a. scrubbers b. electrostatic precipitators c. baghouse filters d. catalytic converters