Question

what is the main way carbon dioxide is added to the atmosphere? respiration photosynthesis transpiration evaporation

Explanation:

Respiration is a process in which living organisms break down organic matter to release energy, and carbon - dioxide is a by - product released into the atmosphere. Photosynthesis takes in carbon - dioxide from the atmosphere. Transpiration is the loss of water vapor from plants and evaporation is the change of water from liquid to gas, neither of which primarily add carbon - dioxide to the atmosphere.

Answer:

Respiration