How is over irrigation damaging to soil

it runins the soil by over irrigation and clogs it

results in the accumulation of salt near the soil surface.

the offspring would all be white. if the parents are both white flowers then they have the genotype rr, which when crossed results in an all white punnet square.

b tumor cells have a cell wall instead of a membrane

explanation:

tumor cells different from normal cells because tumor cells have a cell wall instead of a membrane.