What’s the answer to this

Which list shows the levels of organization of an organism in hierarchical order from left to right, from the smallest to the most complex?

What types of energy transfers and energy transportations are involved in the domino chain reaction?

The large increase in atmospheric carbon dioxide in the last 50 years most likely comes from a. an increase in cellular respiration b. increased decomposition by bacteria c. an increase in the burning of fossil fuels d. an increase in photosynthesis