Digital cameras store photographs on which of the following? Image sensors
Camera lenses
Memory cards
All of the above

I may be a little late but memory cards :)

Explanation: :)

1# d

2# b

3# e

4# c

5# a

pitch- the definition of pitch is as follows:

"the quality of a sound governed by the rate of vibrations producing it; the degree of highness or lowness of a tone."