Supplies are dropped from an airplane on to a remote island. a parachute is used to reduce the impact when the supplies strike the ground. which of these is most likely to improve the design of a parachute?
a) reduce the size of the parachute to reduce drag.
b) reduce the weight of the parachute to reduce drag.
c) use two layers to make the parachute to increase drag.
d) increase the surface area of the parachute to increase drag.