What happens when a greater number of people use resources? tragedy of the commons

To sciences do not agree on which type of grocery bag is better for the environment what is most likely to come out come out of the disagreement

In the respiration-photosynthesis cycle shown above, what are the products of cellular respiration that belong in box 2?

Which topic is most likely to be studied by bo which topic is most likely to be studied by botanist? insect metamorphosis, viral infection, plant growth, animal physiology