Which of these developments is a positive effect of cell technology on society? a. new vaccines can be made quickly enough to stop epidemics. b. the ability to clone animals allows people to replace beloved pets. c. more money is spent to design drugs that treat common diseases. d. cord blood banks are used to store blood to benefit individuals.

Grade 91.)the gravitational pull from the moon words).2.) what is the rate of gravitational 3.)if you drop a hammer, is it more likely to drop handle side down, head side down, or equal chance that it will land either way? why? 4.)a car moves 60km east and 90km west.a.) what is the distance the car traveled? b.) what is the car's displacement5.)what is the average velocity of a car that moved 60 km south in 3 hours? 6.) a car starts from rest and acceleration to 60 m/s over a time of 5 seconds. what is the acceleration of the car? 7.)what is the speed of an object at rest?