Answer:
I can't copy the link but the SOS children's villages are good
Answer:
The area of the edge of a knife's blade is extremely small. ...
Syringes are used to take blood for blood tests. ...
When air is sucked out of a drinking straw, the air pressure inside if decreases and the atmospheric pressure outside forces the liquid to go inside the straw.
Explanation:
got that from google
The constitution of the united states of america<span />
Because that is how people used to explain things