Answer:
Abiotic factors are the non-living components of the ecosystem, including its chemical and physical factors.
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the largest is francium, Z=87 , or caesium, Z=55 ; and the smallest is definitely helium, Z=2 .
Explanation:
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No, x-rays do not travel slower than infrared radiation or even the opposite. Both are travelling in vacuum therefore they travel at same speed. They differ in the frequency of the electromagnetic waves.
<span>Hydrogen carbon and oxygen commonly form covalent bonds.
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It is an ensemble of similar cells