Answer:
Valleys and low-lying areas, hills and mountains, were some of the challenges faced by Roman engineers who built Aqueducts. The first aqueduct was built in Rome around 312 BC. By the 3rd century AD, it became common.
Answer:
Cooling water from a shoreline power plant
Explanation:
Out of all of these options it is the only one coming from a single source hence the name point source pollution
Answer:
The options that apply are:
B, C and D.
Explanation:
There have been a number of accidents all over the world resulting from Acts of God, professional negligence amongst other things.
These may not be avoided completely but the actions above speak to how they can be mitigated or reduced.
Cheers!
Yes depends how big the debris is
Answer:
Q=I^2Rt
Explanation:
The principle of resistance welding is the Joule heating law where the heat Q is generated depending on three basic factors as expressed in the following formula
Q=I^2Rt
I is the current passing through the metal combination
R is the resistance of the base metals and the contact interfaces
t is the duration/time of the current flow.
