One type of microorganism is very difficult to treat medically because there are few effective medications and those are effective for only a limited number of organisms. This statement refers to

What is the "great pacific garbage patch"? a large area of marine debris concentrated by rotating ocean currents a large area around the pacific rim where debris collects from natural disasters such as tsunamis an area in the pacific ocean where trash is intentionally dumped due to lack of landfill availability a large trash dump located in hawaii

This is the process of making a prediction based on the results of prior observations of similar events.

Coral have a symbiotic relationship with what in order to eat?