You are controlling the variable of if it gets vinegar and less water, or all water because that is all that changes.
The answer is B because of the pieces of evidence that scientists use to prove continental drift are similar Mountain Ranges, Fossils, and Ice.
The extinction of many animals has changed the amount of biodiversity. The adaptations to survive harsher climates and other things can change how biodiverse an ecosystem is
The answer your looking for is c hope it helps
and #rateme
Solarimeters are the instruments that measure solar radiation