In what method Copper sulphate solution change blue to colourless ??​

He table below gives the atomic mass and relative abundance values for the three isotopes of element m. relative abundance (%) atomic mass (amu) 78.99 23.9850 10.00 24.9858 11.01 25.9826 what is the average atomic mass (in amu) of element m? 2.86 5.36 24.30 24.98

Wind and moving water provide energy. chemical mechanical thermal none of the above

Which of the following subject areas contains questions that can be answered by science? alchemy ethics forensics politics