Answer: for Texas the storm cellar and wooden pieces
For California the dam and water plant
Step-by-step explanation:
these are the things the corresponding states need for their situations
One disadvantage as using it is because it covers far less space. this would make much more blind spots. The advantage of them is that they don't lie about the distances. the current convex mirrors we have in out cars right now, is that the imagine might look father or closer than they appear, which can be troubling at times. Plan mirrors are flat, car mirrors are convex.
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