What is the definition of physical activity?
a.
a movement that stimulates your respiratory system
b.
a movement that causes perspiration
c.
a movement that results in the body’s use of energy
d.
a movement that requires little eff

C

Explanation:

It's called physical activity any movement that results in the body's use of energy. But this usage of energy should be caused by bodily movements.

For example, walking, jogging, dancing, riding a bicycle, etc. All of the activities previously mentioned burn energy due to bodily movement.

including the octave, the answer would 8 notes in a major scale with one note being played twice. ex) c major scale includes: c, d, e, f, g, a, b, c

notice that c is played twice

however, if you were to ask me how many different notes are in a major scale- the answer would be 7.