If your options are
train
subway system
domestic airports
private bus system
the correct answer is private bus system
Answer:
Oil is a fossil fuel and timber or wood and wind is not. Hope this helps!
I’m just commenting rn to get points
To minimize the sharp pH shift that occurs when a strong acid is added to a solution, IT IS PRACTICAL TO ADD A WEAK BASE.
When a strong acid is added to a solution, it usually brings about a sharp change in the pH of the concerned solution. To avoid this, one can add a weak base to the solution first. The weak base will serves as a buffer for the strong acid and prevents the solution from experiencing sharp pH variations.
