What humans produce as waste comes back to us? Explain this statement with an example in terms of air pollution.

Pollutants can cause respiratory illnesses and allergies ranging from coughs to asthma, cancer or emphysema. Inhalation of toxic agents directly affects the lungs and other organs that make up the respiratory system. Also, poor oxygenation can lead to cardiovascular problems.

the diploid number of chromosomes is sometimes represented by the symbol 2n. for the fruit fly, the diploid number is 8, which can be written as 2n = 8, where n represents twice the number of chromosomes in a sperm or egg cell.