Why are experiments often performed in laboratories?
a. there are more variables in a laboratory setting.
b. you can control variables more easily.
c. they are better at representing the real world.
d. scientists only want to know what happens in labs.

Experiments are often performed in laboratories because of letter b, you can control more variables more easily. It is because you have enough supplies in the laboratory where it is accessible, making it easy to control and to conduct the experiment that is going to be made. For having an accessible and easy control in variables is essential to do because in creating an experiment, a lot of things are needed and used.

Sorry i don’t know what to do