Near the surface of the earth, objects in free fall (but not terminal velocity) experience
a. constant velocity.
b. constant distance.
c. constant speed.
d. constant acceleration.

Answer choices? if there is any

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The chemical reactions lab we did is typically called a "copper plating lab,  because the acid solution cleaned the pennies and made the copper look shinier;   the acid solution cleaned the paperclips and made them look like pennies;   &   the copper from the pennies was removed, and then added to the paperclips.