Correct answer
B. Beaufort Scale
Explanation
Anemometer is the tool used to measures the speed of wind. Beaufort scale is used for measuring wind speed.
Which layer of the atmosphere lies close to the earth?
The main function of the kidney is ____________?
If steel is heated to a temperature well below red heat and is then cooled slowly, the process is called_________?
The number of spark plugs needed in a diesel engine is__________?
Largest Galaxy in the Universe is_________?
When in the part of its orbit closest to the Sun, Pluto has an atmosphere of nitrogen and methane similar to Triton’s, but what happens when it is farther from the Sun ?