Jack is checking his ambulance tires. He decides to check for tread depth using the Penny Technique. Jack puts the penny in one tread groove. He observes that there is no space visible between Lincoln’s head and the edge of the coin. What other method could be used to check tire tread depth?

What is the difference between the kurds and the shia muslims? a the kurds are a religious group while the shia muslims are an ethnic group. b the kurds and the shia muslims are religious groups. c the kurds are an ethnic group and the shia muslims are a religious group. d the kurds and the shia muslims are ethnic groups.