During the respiration of plants, animals, and organisms that bring about decomposition, carbon dioxide is returned to the atmosphere. The combustion of fossil fuels (e.g. coal and peat) also releases carbon dioxide into the atmosphere.
Answer
A. Measuring and calculating
Explanation
Measuring and calculating is applied when a person is performing the evaluation of activities in a project to determine the effectiveness of a particular method applied in programs. When managing time for projects it is vital to know your goals, putting priority in activities, plan ahead, remove the distractions and delegate some of the tasks.
1. Carcinogen
2. Nicotine
3. Tar