The Rio Grande has many ________ flowing into it along its path.
The land of Texas has many different ________. Think about about plains, escarpements, and mountains.
The elevation of land at __________ is zero.
A ________ happens when an area does not get the normal amount of precipatation.
The ____________ was separating the two areas of land. We could not see one area from the other.
The shapes that make up Earth's surface are called _________.
The ____________ of a place is where it is compared to one or more other plces on earth.
The exact location of a place on earth is called its _________.
The _______ is an imaginary line that separates the Northern and Southern hemispheres.
The imaginary line that separates the Eastern and Western hemispheres is the _______________.
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