Which of the following is an example of an observation?

A. Adding numbers in order calculate the mean.
B. Noting what happens the color of a piece of steel when it is heated.
C. Drying socks in a clothes dryer
D. Placing smelly socks in the washing machine.

Respuesta :

Answer:

B. Noting what happens to the color of a piece of steel when it is heated.

Explanation:

When you observing something you are watching it.

The answer is B, because it is observing what happens to the steel