Which of the following is the era sometimes called the age of reptiles?
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Quartzite is a metamorphic rock that was created by applying…
Quartzite is a metamorphic rock that was created by applying pressure and heat to
The type of smog that forms in Los Angeles is called _______…
The type of smog that forms in Los Angeles is called ______________ smog.
Minerals are classified based on their physical and chemical…
Minerals are classified based on their physical and chemical properties which include _______.
The oldest evidence of life on Earth dates back to about how…
The oldest evidence of life on Earth dates back to about how many years ago?
The sedimentary rock known as ______________ consists of rou…
The sedimentary rock known as ______________ consists of rounded pebbles cemented together by silica, calcium carbonate, or iron oxide.
A cold front is typically associated with more violent atmos…
A cold front is typically associated with more violent atmospheric disturbances than a warm front.
The term cleavage refers to the tendency of some minerals to
The term cleavage refers to the tendency of some minerals to
A hurricane, in other parts of the world, is also known as
A hurricane, in other parts of the world, is also known as
Geologists have principally used which class of rocks for ra…
Geologists have principally used which class of rocks for radiometric dating?