A strand of DNA is in the double helix structure.. you can think of it as two interconnected spiraling stairs
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Answer: The difference between glacier accumulation and glacier waste.
Glacier budget refers to the balance develop between the amount of ice accumulate in a region and the amount of ice being lost through processes like sublimation, melting of ice and breaking of the icebergs. It follows two zones.
Accumulation zone: In this zone, the extent of accumulation of ice exceeds over the extent of melting.
Ablation or wasting zone: In this zone, the extent of wasting of ice due to reasons like melting, sublimation and others exceeds over the extent of accumulation of ice.
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The answer is: D. Passive transport
Passive transport refers to the movement of chemical substance that pass through the cell membrane without using any energy, This ability exist in all living cells and utilizing the process of osmosis to move from a less concentrated environment to a more concentrated one.