1000 MI. Long from Chang'an to Dunhuang
Answer:
Today, we know that many sicknesses are caused by germs. We prevent the spread of disease by using disinfectants--substances, such as chlorine bleach--that kill germs. The poisonous smoke used by the Chinese was a type of disinfectant (solution to kill germs).
Explanation:
Tips:
Word Length (characters) Count Frequency
25 1 0.0%
Answer:
D
Explanation:
for the simple fact of security reasons
Poverty
Natural Disasters
Disease
The 5th prez was james monroe
