A ph of 7 is considered to be neutral
Answer:
to minimize the amount of oxygen introduced to the contents of the tube.
Already answered in pm ;P
The answer is A.
Because osmosis involve water.
Answer:
He would get a expected gene in a plant, for example. Purebred tall pea plants would most likely give off more tall plants, with little runts.
It gives a certainty to what you're doing, and getting more sellable/ useable products.
