which enzymatic reaction is correct? A. s +E⇒sE ⇒p+E ). B. S+E⇔SE⇒p+E C. S+E⇔SE⇒p+E D. S+E⇒SE⇔p+E GIVE ME BRIEF EXPLNATION please helppp?​

gold discovery in california, and pioneer settlers were sometimes pulled west because they wanted to make a better living. others received letters from friends or family members who had moved west. these letters often told about a good life on the frontier. the biggest factor that pulled pioneers west was the opportunity to buy land.

welcome mark brainliest i am trying to get to the next level.

i believe your answer is mountains.

a would be the answer