Answer:
Caprock
Explanation:
Texas is divided into four regions. North central plains are a region of Texas which is largest region. There is a bed of rocks known as Caprock below the soil. Caprock prevents the flow of any water or oil from below and these does not reach the soil. These rocks are harder and more resistant type of rocks.
I think the answer is jan matzeliger
<span>The Navajo Code talkers played a critical role during World War II. The members of this Native American group were recruited by the US military as individuals who could relay important battlefield messages without the fear of the message being decoded by the Axis Powers. This was because the Navajo language was very difficult to learn and there were very little written records of this language. This is why the US military recruited this group specifically. Thanks to their service, the US military officers were able to communicate battefield positions of their enemies and ongoing correspondence about the place of their next attack without fear of their enemy breaking their code. </span>
