Answer:
A stripe of magnetic information that is affixed to the back of a plastic credit or debit card.
-- The sample was a fluid.
-- It was a mixture or a suspension ... NOT a solution.
Answer:
The force holding you down is gravity.
Explanation:
Gravity is a force between two objects with mass. It pulls things together. You have mass, and the Earth has mass, so gravity tries to pull you and the Earth together. The gravitational force is much bigger for more massive objects.
It takes 2 years of graduate study in a subfeild, practicum experience, and a thesis.
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