Answer:
A. Wegener could not explain what made the continents move.
Explanation:
The magnitude of the force acting on the object lying on a flat surface without moving is 10 N.
The given parameters;
- magnitude of force on the object, F = 10 N
- angle between the object and the horizontal flat surface = 0⁰
Apply Newton's second law of motion to determine the magnitude of the force on the object.
Due to the position of the object, the magnitude of the force acting on it is calculated as;

Therefore, the magnitude of the force acting on the object is 10 N.
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Is it a magnifying glass?
Explanation:
Yes, it takes more energy to vaporize 1 kg of saturated liquid water at than it would at .