Which sentence addresses the recent issue of global warming? oceans hold tremendous amounts of water. however, this water is saline and non-potable. some amount of water is present in the form of snow and ice at the polar caps. only half a percent of water is present as freshwater reserve. rising temperatures may melt the polar caps and increase the ocean water levels. reset next

The answer is; Rising temperatures may melt the polar caps and increase the ocean water levels.

Global warming is due to the increase in the levels of greenhouse gases, such as carbon dioxide, in the atmosphere. These gases trap reflected radiation from the earth that heat up the atmosphere. The warming atmosphere also warms the polar regions. This consequently results in the melting of glaciers and these melted waters flow into oceans increasing their water levels. Increased ocean levels eat up into the beach shores and also swallow up small islands.

sodium i think the chemical element of atomic number 11, a soft silver-white reactive metal of the alkali metal group.

the dna molecules have a negative charge because of the phosphate groups in their sugar-phosphate backbone, so they start moving through the matrix of the gel towards the positive pole. power is turned on and dna fragments migrate through gel (towards the positive electrode).

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