The causes of the attractions and repulsion between molecules of water is that the oxygen and hydrogen atoms share electrons in bonds but its not equal. I hope this is the answer you are looking for! :)
Answer:2. Flooding and 4 run off
Explanation:Watershed areas are prone to flooding. They also cause a lot of runoff
Answer:
In mitosis you start with the full amount of chromosomes 46 (also known as 2n or diploid). Then the resulting daughter cells also have the full amount of chromosomes present, 46.
Not 100% sure here but from what I remember I think it is called osmosis... It is if the water is leaving or entering the cell.
According to a source the answer is <span><u>Cyanobacteria were the first organisms to produce oxygen in water, which then escaped into the atmosphere.</u>
These cyanobacteria species were the first ones to "produce" oxygen as a by-product of the photosynthetic mechanisms which enables organisms to make their own food. </span>