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.

carbon traps heat so more of it makes it hotter causing global warming. during the ice age carbon levels in the atmosphere were low so it got very cold. so the common things between them is carbon levels in the atmosphere.

they use sunlight, water, and carbon dioxide to make sugars - c.