6. Which of the following is NOT TRUE about radiation? A. Radiation may be ionizing or non-ionizing
B. Radiation is energy that comes from a source and travels through space
C. Exposure to radiation is not harmful
D. Radiation exist all around us​

so here we go

atomic mass

239 + 1 = y + 134 + 3 combine like terms

240 = y + 137             subtract 137 from both terms

240 - 137 = y

103 = y

atomic number

94 = z +54 + 0

94 = z + 54               subtract 54 from both sides.

40 = z

answer

the answer is:  

line graphs show patterns in data with variables that change over time; whereas, circle graphs show data as parts out of a whole (such as out of 100%).

how important do you think an instrument is to the musician who plays it?