stud
bud
Sign up
Log in
Home
Library
Explore
SAT
More
Technology and Change Over Time Flashcards | StudBud
Technology and Change Over Time
1 / 10
In the past people had to eat food near by. Now we can have food from all around the world and keep it good longer. Why?
A
airplanes
B
all of these
C
refrigeration
D
large trucks
Next
0
0
correct · 0:00