What is the short form for the identity of an element

relative humidity is a measure of the amount of moisture in the air relative to the total amount of moisture the air can hold.

so d

the answer is 1260

you spend 7 hours in school for 1 school day with 5 school days in 1 school week with 36 school weeks in a school year.

7*5*36= 1260 it's all about multiplying

while cooking a piece of 1/2 pound beef steak, a cast iron pan (2.4kg in weight) was heated 260 celsius.