How can material/mineral resources be maintained

Write a paragraph that provides examples of each stage of volcanic activity, a description of the volcano, and facts about each stage.

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

Is 343 in the sequence -5, -2, 1, 4, 7