Explanation:
you are to see cells By doing an experiment.
The correct answer is option 2. When the pH of a solution is changed from 4 to 3, the hydronium ions increases by a factor of 10. pH is a scale used to measure the acidity or
alkalinity of an aqueous solution. It can be used to calculate the amount of
hydronium ions in the solution. It is expressed as: pH = -log [H+].
Answer:
D. The bike experiences a contact force and Earth experiences a non-contact force.
Land breeze sea breeze,ventilation,etc
