Directions: Read each sentence. Then write positive acceleration or negative acceleration on the lines provided. 8. A roller coaster car’s acceleration is in the same direction as its motion.
9. A roller coaster car’s acceleration is in the opposite direction of its motion

First one is positive acceleration second is negative

Explanation: My explanation is the first one is positive because its going in a straight line and not turning or moving anywhere so it can gain tons of speed. The second is negative because imagine going uphill its negative because its losing speed going uphill.

cellular respiration oxidizes food into energy in the form of atps.

glycolysis (6 c hexose) > 2x atps are used > 6c hexose biphosphate > 2 x 3c triphosphate >

2 x 3c pyruvate (2x nadh produced from nad) and (4x atp produced)

pyruvate actively pumped mitochondrial matrix.