what can you use to check if your vehicles tires need replacing?\na ruler\na quarter\nyour finger\na penny

what can you use to check if your vehicles tires need replacing?\na ruler\na quarter\nyour finger\na penny
Answer
Brief Explanations:
The penny - test is a common method. Insert a penny into the tire tread with Lincoln's head upside - down. If the top of Lincoln's head is always visible, the tread is too low and the tire needs replacing.
Answer:
D. a penny