An advertisement uses a movie star holding a bottle of perfume. this ad is an example of which of the following?
a. an appeal of association.
b. an appeal to reason.
c. an appeal to economics.
d. an appeal to patriotism.

Porque crees que el agua no podia subir mas de 10 m de altura con ese tipo de bomba

How many molecules are present in 3 mols of silicon dioxide (sio2)?

Which of the following are properties of mechanical waves? check all that apply ⭕️ particles of the medium move back and fourth, but do not move with the wave. ⭕️ the particles of the medium always move parallel to the wave motion. ⭕️ wave motion begins with a disturbance in the medium. ⭕️ waves transport energy from a source outward, away from the source.