North Carolina ranks second in production of Christmas trees in the United States. Scientists in North Carolina use living cells and their enzymes to create industrially useful products from the trees, like ethanol to fuel cars. All BUT ONE of these statements is an advantage of this biotechnology.

1. you serve a volleyball with a mass of 2.1 kg. the ball leaves your hand with a speed of 30 m/s. the ball has energy. calculate it. 2. a baby carriage is sitting at the top of a hill that is 21 m high. the carriage with the baby weighs 12 n. the carriage has energy. calculate it. 3. a car is traveling with a velocity of 40 m/s and has a mass of 1120 kg. the car has . calculate it.