Answer:
The piano was invented by Bartolomeo Cristofori (1655-1731) of Italy. Cristofori was unsatisfied by the lack of control that musicians had over the volume level of the harpsichord. He is credited for switching out the plucking mechanism with a hammer to create the modern piano in around the year 1700
6.
You can tell what key it is in by the starting note. Therefore, for example the first question is on "D", and it had a flat accidental. Therefore it is a Db (D flat). Now, we can use the circle of fifths
[first attachment]
to help find out where the sharps and flats fall, and since this is a major scale, the pattern is Wholestep Wholestep Halfstep Wholestep Wholestep Wholestep Halfstep (WWHWWWH).
Therefore the pattern is Dflat Eflat F Gflat Aflat Bflat C and Dflat again. You can write there as notes on the scale
[second attachment]
You can do this for the rest of question 6.
∆∆∆
7.
Just choose a key signature from the circle of fifths (an easy one is G) and put that key signature on your staff. Secondly, choose a time signature. The easiest is 4/4. If you're in "G", start in key of "G" and make a simple tune. e.g
[third attachment, scroll right]
for the other tunes, just choose different time signatures and key signatures and switch up the tune.
Hope I helped and good luck!
Answer: Monet's style notably changed towards his later life as he sought to pursue even more means of depicting natural lights effect on different scenes. One example of this was his series of paintings of Haystacks on his property in Giverny.
Explanation: hope this helps-