Which could increase the amount of greenhouse gases in the atmosphere?
O A. planting trees in areas that have been deforested
B. reducing the use of gasoline-powered vehicles
C. burning coal to produce electricity
O D. creating wind farms in desert areas

The level of risk associated with rejecting a true null hypothesis called type I error or false negative.
It happens when you saying the null hypothesis is false when it is in fact true. The cause of this error can be varied. Making a control or reducing bias is important to reduce this error.