Carbon dioxide levels in the beginning of the Industrial Revolution was about 280 ppm (parts per million). If carbon dioxide levels have increased 38%, how much carbon dioxide is now in the atmosphere? 737 ppm

386 ppm

10640

8960 ppm

x would be the most and the least would be y because there are more fruit   and seeds than flock z has insects

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the alkaline earth metals (beryllium (be), magnesium (mg), calcium (ca), strontium (sr), barium (ba), and radium (ra)) are a group of chemical elements in the s-block of the periodic table with very similar properties: shiny. silvery-white. hopefully this ? i didn't fully understand the question