What challenges are there in programming a vehicle to navigate an environment even if the environment is well defined

Technician a says that the radiator usually cools better if the front air dam is removed. technician b says that when a condenser has a leak it can be repaired easily with epoxy. who is correct?

The three logical operators used to write compound conditions are "and," "or," and "not." a: true b: false

Whats are the different parts of no verbal comunication, especially body language?