Answer is b because it separates the desert and the savana
In 1862, Congress passed the Pacific Railway Act, which authorized the construction of a transcontinental railroad The first such railroad was completed on May 10, 1869 Four of the five transcontinental railroads were built with assistance from the federal government through land grants.
Children under the age of 15 and people on retirement.
Answer:
where is X in the equation
Explanation:
