Under extreme driving conditions, such as off-roading, car owners are supposed to have the oil changed in their car every 1,000 miles. typically, car owners miss the service date for the oil change and wait until the car needs to have a yearly inspection before changing the oil. as a result, there tends to be more maintenance required on the car when it is inspected. which of the following is an underlying assumption of the argument above? 1.off-roading can cause more problems for a car than street driving.2.car owners should get oil changes every 1,000 miles.3.it takes a long time to drive 1,000 miles off-road.