a 4.24 kg marble slab has a volume of 1564 cm^3. what is it's density in g/cm^3? give you answer to the nearest tenth

Which conditions are necessary for natural selection to occur? select all of the answers that apply. a. inheritable adaptations vary among individuals. b. the population size is increasing. c. more individuals are born than can survive. d. fitness varies among individuals. e. the environment changes suddenly and drastically.

Abnormal softening of a gland is known as

A60-tooth gear is connected to a 72-tooth gear.if the smaller gear turns 12 times,how many turns does the larger gear make?