I’m confused of what you are trying to ask
Answer:
False
Explanation:
The elevation do not decreases across Texas as you start from the East and go to the West rather than the elevation increases from east to west.
When you move from east to west the place face less rainfall in comparison to east as the elevation increases from east to west.
Hence, the given statement is false.
Answer:
B, their number system.
Explanation:
The Arabic Number system (1,2,3,4,5,6- Numbers like these.) was created in India and later adopted by Arabs. The reason they call it Arabic, is because the Europeans were introduced to it from Arabs and not Indians, so they assumed Arabs made it.