There are many conservation issues, desertification, erosion, ecocide, coral reefs, biodiversity threats and losses defaunation etc.
Turn off the water when it is not needed; for example, turn off the water when you brush your teeth, turn off the water when you’re scrubbing your body and hair in the shower with soap (only turn it back on when you want to rinse).
To summarize: TURN OFF THE WATER (when it’s not needed) :)
Two molecules are formed, each with one original side.
This is because the starting DNA molecule undergoing mitosis splits in half and the other half is completed by free nucleotides using the enzyme Polymerase.
Your answer is going to be D