Answer:
C. Border area
Explanation:
Because or the semitropical climate at the border areas like Texas cultivation of citrus and vegetables is easy. The valley of Rio grande and the Winter garden in South Texas are the major producers of these two crops
Answer:

Explanation:
The sun's altitude at noon on a location can be given by the following formula:

In which S is the sun's altitude, L is the latitude of the the location and D is the declination of the sun. The declination is related to the period of the year(summer, winter, etc).