C and d ARE THE CORRECT ANSWERS
Primary colors: yellow, red, and blue
Secondary colors: orange, purple, and green
First one: It would be on Sol
Second one: No. It would be on La. The note is B. And is a Bflat
(I don't know Bass Clef as well. I play Alto Sax, which uses Treble Clef. So please forgive me)
Third one: It would be A flat
Fourth one: It would be C then C flat
(Again, I don't know Bass Clef that well, so don't count on my answers)
The answer to your question is a.
gender equality is when both male and female are equal with same opportunity
