How does too much phosphorus in a body of water kill fish

How does the author's purpose in this passage differ from an author writing about her personal struggle living with asthma?

Which of the following is a macronutrient? carbohydrates lipids amino acids all of the above

Osmosis is often viewed incorrectly as a process driven directly by differences in solute concentration across a selectively permeable membrane. what really drives osmosis? view available hint(s)osmosis is often viewed incorrectly as a process driven directly by differences in solute concentration across a selectively permeable membrane. what really drives osmosis? the first law of thermodynamicsthe difference in the height of water columns on either side of a selectively permeable membranethe difference in water concentration across a selectively permeable membranethe difference in sugar or ion concentration across a selectively permeable membrane