scientists can test differences of the area with pigmentation by observing which is lighter and which is darker however they use microscope to look the difference of the pigmentation over the cells.
Phosphate groups are polar and allow the cell to exist in water.
Viruses need to be inside a living thing (of course the living thing has to have the right temperature which most living things do) . When they're inside a living thing they start injecting the host's cells with its DNA in order to make more copies of itself which allows the virus to spread. So basically viruses need to be inside something living.
C.) Electron can have a <span>charge of -1
Hope this helps!</span>
H20 tends to evaporate quicker in 80 degrees or higher, evaporation in colder weather, is much slower.
