Natural resources will not last forever because it takes longer to renew them than the speed at which we use them. Only renewable resources, like the sun, wind, etc, will last 'forever'
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i have no idea ....................
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Iceberg forms when a glacier
reaches the sea coast and when large chunks of ice calve (break off) and float away.
A loss of alleles was correct for me on plato. hoped this helped.
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Cell Envelope - The chemically complex external covering of the majority of bacteria. Lies outside of the cytoplasm. Composed of two or three basic layers: the cell wall (peptidoglycan), the cell membrane, and, in some bacteria, the outer membrane. Acts as a single protective unit.
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