What is bounce height considered if a ball is dropped and it is noted how high it bounces?
dependent variable
independent variable
constant
control

What did the first language sound like

Creation of an unnaturally uniform sample to represent a diverse populationcan be avoided by: a. including only willing b. asking another scientist for .c. choosing only identical participants.d. selecting individuals at random.

Which of these reproductive method is the only on available to mosses and fernsspores