I need help please help me!

Awell-diversified portfolio needs about 20-25 stocks from different categories is this true or false?

Determine whether the following careers would require training or college.

After you clean an engine with hot water spray, it seems to stall; when it doesn't stall, it's idling noisily. technician a says to check for loose bolts on the flex plate near the torque converter. technician b says to wipe down the spark plug wires and the distributor cap. who is correct? a. technician a b. both technicians a and b c. technician b