Answer with Explanation:
As an individual, I can help reduce greenhouse gas in the environment by not consuming too much electricity. For example, I'll make sure to turn off the air-conditioner when it's not very hot. The "Hydrofluorocarbon" (HFC) in air-conditioners are greenhouse gases that harms the ozone layer. Not using the air-conditioner too often will reduce such potent gas.
In order to maintain a balance between oxygen and carbon dioxide, I'd start embracing gardening or planting. In order to have more oxygen in the environment, more plants are needed because they are the ones responsible for releasing oxygen. I'd also use a bicycle whenever I visit nearby places instead of my dad driving me by car. In this way, I can help reduce the amount of carbon monoxide, which also contributes to the total amount of greenhouse gases.