The control group of an experiment does not get exposed to the independent variable and acts as the frame of reference for the experiment.

Name the following: (a) category of pathogen that causes diseases, like common cold and mumps. (b) the microorganism that requires a host to produce.

How does deforestation affect the water cycle? a. it increases the amount of runoff b.it increases the amount of percolation c. it increases the amount of transpiration d. it increases the amount of precipitationa it increases the amount of runoff

Select the word from the list that best fits the definition a system made of 25 satellites