Which type of tree does not have rounded cones and most of the leaves are not sharp

Which sentence best expresses the differing opinions of these two book reviews?

Biomass can be used to generate electricity. biomass relies heavily on agricultural crops. plants release carbon dioxide and water in combustion. plants use photosynthesis to originally generate the energy that is needed. the chemical energy of these plants all started with what energy source?

Witch theory suggests all living things are made up of cell or cells