The light color of ice reflects more heat from the sun than the darker surface of rocks or soil.

A study in 2016 found that soot from wildfires and dust from erosion are causing the ice surface in Greenland to darken.

Suggest and explain the likely effect of a darker ice surface on global warming.

well, i believe that the answer is 2. : 3

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