Who chooses the Speaker of the House of Representatives?

When one group of participants is measured before and after the manipulation of the independent variable, we have a(n)

A) ex post facto design. B) ad hoc design. C) single-group, pretest-posttest design. D) pretest-posttest, control-group design.

The problem with production of wind energy is that it is expensive to install wind turbines in the sea where there is more wind and that the plants are often distant from urban areas

Indicate whether this statement is true or false.