A carbon footprint is the total amount of greenhouse gases produced by individuals or other entities in a given time period. Thus, option A is correct.
What is a greenhouse gas?
A greenhouse gas is a substance that can absorb infrared radiation from the atmosphere of the Earth and reradiate it to the surface. These substances contribute to the greenhouse effect. Carbon dioxide, methane, and water vapor are the main greenhouse gases.
Greenhouse gases usually are for the environment and also the living being living on the planets. These gases create bad or natural weather conditions, are also depleting the natural lights and also harming the ozone layer.
A carbon footprint can be defined as the greenhouse gases that a single person or a company develops or create in a specified period of time. Therefore, option A is the correct option.
Learn more about greenhouse gases, here:
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