Technology is anything made my man to make tasks easier. So yes, a screwdriver is technology.
C. The design would not be cost-efficient; the plane would require more fuel due to increased thrust from higher drag.
L'eau se réchauffe elle s'intesifie et commnce a bouilloner ensuite L'eau s'évapore
Answer:
(d) In the presence of sulfuric acid, calcium chloride reacts to form hydrogen chloride.
Explanation:
It's because it lowers the melting point of the ice / etc so I think it is, but check it yourself too!
A spring - also an electromagnet. Also know as a slinky!