Osteopenia describes a marked loss of bone density frequently associated with aging. True or False

What would be an example of hypothesis for goldfish respiration lab

This diagram shows how seed plants are grouped. which is the missing label? bryophytes angiosperms pteridophytes monocots

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.