Author Question: The weight of a freeze-dried food is reduced by _____ without a change in its volume. a. 40 ... (Read 61 times)

sarasara · **on:** Aug 2, 2018

The weight of a freeze-dried food is reduced by _____ without a change in its volume.

a. 40 percent to 50 percent
b. 70 percent to 90 percent
c. 20 percent to 35 percent
d. 55 percent to 65 percent

Question 2

_____ first used the process of freeze-drying.

a. U.S. soldiers to preserve blood plasma
b. U.S. space program for astronaut food
c. Farmers to preserve fruits and vegetables d. Incas of Peru for vegetables