Runoff in neighborhoods can be a problem because as the water runs it can collect pollutants such as oil, pesticides, bacteria, etc. These pollutants can end up in our drinking water or can run into our fishing supply and even our swimming water... I wouldn't want to be swimming or eating fish that was swimming in pesticides and bacteria.
Do you mean Lipid Bilayer?
The lipid no later is a thin polar membrane made up of two layers of lipid molecules. These membranes are like flat sheets that form a continuous barrier around all cells.
Hope this helps
A. producers
producers=plants=autotrophs
Hope it helps! Comment if you have any questions and have an amazing day!
Answer:
<h3>Water creates pressure inside the cell that helps it maintain shape. ... Without water, cell membranes would lack structure, and without proper membrane structure, cells would be unable to keep important molecules inside the cell and harmful molecules outside the cell.</h3>