What is the percent by mass of magnesium inMgO a)20% b)50% c)40%d)60%

no statements but ok.

the statement that best describes the idea of manifest destiny that was used in the 19th century would be that "it was fate that the united states would continue to  expand westward," since people thought the us was "destined" to do so. 

the answer is d the rejection of the olive branch petition.

explanation:

the olive branch petition was an attempt to state the rights of the colonists while keeping their loyalty to the british crown. hope this !

by kd

with my recent question