I am thinking that maybe the problem is not with the calibration. It might be that the buffered solution is already expired since at this point the solution is already not stable and will give a different pH reading than what is expected.
Answer:
a) wet marble , dry marble, newspaper, and towel
Answer:
B.
Explanation:
This is not true as the number of chromosomes in the daughter cells are half the number in the parent's cells
Not having clean water to drink or bath. Also some organizations that live in the water might die because the water is polluted and that would be toxic form them
