Xác định tên đề tài, soạn thảo nội dung về dự án tung sản phầm mới trình bày trước ban giám đốc và cách thuyết phục khách hàng sử dụng sản phẩm

the answer is i don't know

answer/// the grapefruit that guarantees you will loss five pounds a week;

answer: b. false

the staff is a set of five horizontal lines and four spaces which represent a different musical pitch. the lines and the spaces are numbered from bottom to top, the bottom line is the first line and the fifth line is the line on the top. the notes on the top of the staff (fifth line) have a higher pitch than a note at the bottom of the staff.