Which of the following images is an example of point source pollution? Water with trash in it. Dirty foam and water at a shoreline. Dirty water being emptied into a river through pipes.

Kudzu vines grow by climbing and wrapping around trees. trees covered by kudzu can die because they are starved of sunlight. what type of relationship exists between the trees and the kudzu growing on them?

What kinds of molecules can pass through the cell membrane without any problem?

What happens when a scientific theory is shown to be an accurate description of a phenomenon?