Complete the sentences below. WILL MARK BRAINIEST!!! HELP PLEASE QUICK!

Creating dichotomous keys is useful because… if you were if ever have a snake in your house and did know know if it was safe to remove yourself you could give a description
Creating dichotomous keys involves… time, work and energy
Once a dichotomous key is developed, it helps scientists to.... Know what kind of animal they are dealing with or taking about