I think it is a or b but this is not exactly one of my strengths.
They both belong to a different phyla
True! Hearing is something that is done without you realizing it. It is a natural sense that humans have. But listening requires focus and attention. You can be hearing what your teacher is saying, but not really understanding and listening to the words. Listening means you are collecting the information, and you should be able to remember it later. :)
Organic matter and nutrients causes an increase in aerobic algae and depletes oxygen from the water column. This causes the suffocation of fish and other aquatic organisms. Sulfate particles from acid rain can cause harm the health of marine life in the rivers and lakes it contaminates, and can result in mortality.
The correct answer would be
Sara KNEW him better than Jim.
Hope this helps:)
