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The modern geological theory that considers the Earth’s lithosphere to be made up of a series of solid sections or segments that are constantly interacting with one another in very slow motion is known as _____.

The geologic time scale is divided into the time units, from largest time unit to smallest time unit, ______________________________.

Which of the following is the era sometimes called the age of reptiles?

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 ______________ smog.

Minerals are classified based on their physical and chemical properties which include _______.

The oldest evidence of life on Earth dates back to about how many years ago?

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 atmospheric disturbances than a warm front.

The term cleavage refers to the tendency of some minerals to