Question #$1(20$ pts$)$: Explain the following terms below;

$($a$)$ List the factors that affect the strength of concrete

$($b$)$ Explain the behavior of concrete under triaxial stress. Support your answer with stress$-$strain relationship.

$($c$)$ Explain creep and shrinkage and relationship between creep and shrinkage.

$($d$)$ List the factors that affect the adherence of concrete