Select the correct response. A force is a) measured in Newtern
b) described as unbalanced when the opposite forces acting on ab object are unequal.
c) described as contact force when the objects or materials involved are not touching each other.
d) calculated by dividing the mass by the acceleration

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we need some answer choices, or something like that

explanation:

answer: the correct answer is   air pressure at the top of mount everest is higher than at the bottom of the grand canyon.

hope this : )

explanation:

a electromagnetic waves