2. Which of the following statements regarding enzymes is false? * Enzymes increase the rate of a reaction.

Enzymes lower the activation energy of a reaction.

Enzymes change the direction of chemical reactions,

Enzymes are not altered by the reactions they catalyze.

How does buring fossil fuels impact does carbon cycle? what large impact does this have on the envirnment?

Acar company is testing seatbelts using crash test dummies. the company finds that when cars come to a sudden stop, the crash test dummies' bodies continue to move forward. the seat belt keeps the crash test dummies from hitting the back of the seat in front of them. why do the crash test dummies' bodies continue to move forward even though the car stopped? a. the friction opposing their bodies' movement keeps them in motion. b. the inertia of their bodies keeps them in motion. c. the forward acceleration of the car keeps them in motion. d. the gravity pulling on the car keeps them in motion.

How are gross production and net production different? a. net production is always greater than gross production. b. net production is always less than gross production. only animals have net production. d. only plants have net production. select the best answer from the choices provided