Answer:
has transparent epidermis to allow light to pass for photosynthesis
has chlorophyll to trap sunlight energy needed in photosynthesis
has stomata to allow passage of water and gases
Decomposers get energy from dead or decaying matter. Examples are fungi, bacteria, some insects and snails.
I believe the correct answer is B)
Most probably these scientists will do more studies and experiments in order to learn more about the subject. For example, if they compare plastic grocery bag with paper grocery bag it is important to investigate which one is a better resource use in the life cycles, which one is better for manufacturing or whether one of them can be reused. There are many questions about this issue.
