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Explain how the effects of inertia are felt when you are on a roller coaster ride.

What have we learned from fossil evidence about evolution? a) it is an abrupt change. b)the process is observable. c) it takes place during one lifetime only. d)the most complex traits are always selected.

Dna is colied into chromosomes in a cell

Aflashlight battery is an example of a) potential energy b) kinetic energy c) thermal energy d) solar energy