Answer:
90
Explanation:
90 is a multiple of 5.......
Answer:
Abraham Lincoln, Warren G. Harding, Franklin D. Roosevelt
Explanation:
Answer:
yes
Explanation:
able to trade and export goods .
In a social system, there are peers and strangers to distract one from pursuing their work. While chatting with others, you may forget your train of thought or a good idea. People are likely to take you away from your work more so than a physical system (in which you can always turn off the TV, but not get people to quiet down)
