The answer is <span>B. The type of fertilizer.</span>
<span>An independent variable is variable that is not affected in the
experiment. It is what experimenter controls. On the other side, a dependent
variable is called dependent because it depends on the independent variables.
It is what is affected during the experiment.
In this case, the growth of pea plants depends on different types of
fertilizer. So, the growth of pea plants is the dependent variable and different
type of fertilizer is the independent variable.</span>
Water, soil, sunlight, H20, and nutrients.
When a child swallow a dish soap the good advice is to call
poison control. There are also different reason why e get poisoned, during a
health symposium a nurse teaches the group how to prevent food poisoning. The
nurse evaluates that the teaching is understood when one of the participants states
"Meats and cream-based foods need to be refrigerated."