Who has the authority to approve for return to service a powerplant and propeller or any part thereof after a 100 hour inspection

A mechanic with a powerplant rating.

Explanation:

A mechanic with a powerplant rating has the authority to approve for return to service a powerplant and propeller or any part thereof after a 100 hour inspection.

100-hour inspection which is typically required by the Federal Aviation Regulations can be performed by the mechanic that has powerplant rating since they are certified.

the correct answer is:

it required the president to inform congress within forty-eight hours of any new troop commitment.

the war powers resolution (1973) is a federal law designed to limit the u.s. president’s ability to initiate or intensify military actions abroad without the approval of the congress.

it establishes that the president can send armed forces into action abroad only by declaration of war by congress, statutory authorization, or in case of a national emergency created by attack upon the united states, its territories or possessions, or its armed forces.

it requires the president to notify congress within 48 hours of sending armed forces to military action.