A bag of soil will weigh in kilograms
Answer:
1. Not to have enough salt water on the foil
2.not cleaning the foil well to remove interfering materials
667.17 (0.63x1059) shsbsbsb
Answer:
Since pH can be affected by chemicals in the water, pH is an important indicator of water that is changing chemically
Explanation:
pH is really a measure of the relative amount of free hydrogen and hydroxyl ions in the water. Water that has more free hydrogen ions is acidic, whereas water that has more free hydroxyl ions is basic
