Given this Hypothesis: If I don't do my school work, then I will get a bad grade, because my teacher will have nothing to grade. What is the Independent Variable and the Dependent Variable?

Facial shaving brushes are either bulb-shaped or fan-shaped. an experiment is to be conducted to determine whether the lather thickness is the same for both types of shaving brushes. in previous studies, it was determined that shaving brush size (small, medium, large) is associated with lather thickness, but shaving brush type (wolf whiskers, maggard razors, frank shaving, and so on) is not associated with lather thickness. how could the experiment best be conducted? by blocking on shaving brush size by blocking on shaving brush type by blocking on shaving brush shape by blocking on lather thickness without blocking

Iwill give anyone points if they me right now q: sustainable development is related to pollution in that a. sustainable development allows pollution to continue at current levels.b. sustainable development increases pollution of all types.c. addressing pollution is a factor in sustainable development.d. sustainable development incorporates pollution as a benefit.e. pollution levels will decrease with development.

Love, which can’t be observed or measured directly, is an example of psychological construct