What natural resource is found in the sahara? a gold, b silver ,c salt , d water

should i answer this question?

explanation:

the following best describes postwar era writers in their works:

many writers,authors,novelists,poets concentrated more on social art and social writing and stayed away from political writings.

the graph shows the spread of railways in the 1800s.

based on the graph, the conclusion that can be drawn about germany is answer d)   by 1880, germany had more rail lines than great britain and russia.

the crusaders are identified in the painting;

c. by the red crosses on their backs