Which waves are electromagnetic and can travel through a vacuum? Light and heat waves

Longitudinal and transverse waves

Sound waves

Surface waves

the president has the power to appoint federal judges, ambassadors, and other "principal officers” of the united states, subject to senate confirmation of such appointments.

the correct answer on edgen is:

(c.) prevent the spread of communism.

i just took the test.

answer; /// i do believe but not sure(nazi propaganda)//(anti-semitism); ( holocaust) plz check first; ///good luck