Questions

Head Quaters of FAO is located in Rome

Skimming is the removal of any material or particles that are floating on the surface. Hence, Removal of oil and grease from sewage - waste water is called as skimming.

Cognitive psychology is the branch of psychology that studies study internal processes that include perception, attention, language, memory, and thinking.

Cognitive psychology focuses on the way people process information.

From the given circuit,

The resistors R1 and R2 are in parallel connection and R3 is in series with R1 & R2

The equivalent resistance of R1 and R2 is

Req = (12 × 4)/(12 + 4) = 3 Ω.

Adding R3 in series with the pair gives

R = Req + 9

R = 3 + 9

R = 12 Ω.

We know that, 

Earth is known as Watery planet.

Neptune is known as Blue planet. 

The system unit of a personal computer typically contains microprocessor, disk controller and serial interface but it does not contain modem.

The most malleable metal is Gold.