Cigarette smoking decreases speed in track runner, due to the fact that their lungs have black spots. Making it harder for them to breathe. And harder to breathe causing slowing in speed.
Water pollution is the contamination of water bodies, usually as a result of human activities. Water bodies include for example lakes, rivers, oceans, aquifers and groundwater. Water pollution results when contaminants are introduced into the natural environment. For example, releasing inadequately treated wastewater into natural water bodies can lead to degradation of aquatic ecosystems.
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➷ 1) Respiration
Protein synthesis
2) Cytoplasm
3) A dominant trait only requires one allele for it to produce a dominant phenotype. However, a recessive trait requires two alleles (one from each parent) to produce a recessive phenotype.
➶ Hope This Helps You!
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➶ Have A Great Day ^-^
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