Why is microminiaturization a necessary component of space travel vehicles? select all that apply
a. space is limited on spacecrafts
b. they require less energy to run
c. the ovspacecraft of the spacecraft needs to be kept low
d. the output of these component is greater

How did the agricultural marketing act of 1929 farmers? a. it fixed the prices of farm goods. b. it taxed the exportation of farm goods. c. it stabilized the prices of farm goods. d. it subsidized the importation of farm goods. e. it subsidized the purchase of farm equipment.