C. At an old gas station, gasoline leaks from an underground storage tank. Classification:
Explanation:

The health, management and conservation of biodiversity, is a challenge facing ecosystems worldwide. the major factors that affect the health and function of the great barrier reef are climate change and pollution. which question investigates the effects of a biotic factor on the reef ecosystem?

What must be true for natural selection to heppen

During convection, less dense fluid rises and denser fluid sinks.