What internal commands can we use when in interactive mode? can we use CLS and CD?

Technician a says that a dry sump system uses no oil storage sump under the engine. technician b says that a wet sump system uses no oil storage sump under the engine. who is correct?

What is one reason why indoor air pollution has become an increasing problem.

Be sure to answer all parts. synthesize the following compound from benzene. a. b. c. d. e. f. reaction [1] conditions: a b c d e f reaction [1] product: draw structure reaction [2] conditions: a b c d e f reaction [2] product: draw structure reaction [3] conditions: a b c d e f reaction [3] product: