Which of the following was not a major event in the history of the development of cell theory? Schwann identifying that bacteria and viruses were single-celled organisms Hooke viewing the remains of cells in a slice of cork under a microscope Schleiden concluding that all plants are comprised of cells Virchow determining that all cells are produced by preexisting cells

burning of wood and coal

explanation:

the panel also concluded there's a better than 95 percent probability that human-produced greenhouse gases such as carbon dioxide, methane and nitrous oxide have caused much of the observed increase in earth's temperatures over the past 50 years.

there are so many examples for that in different areas, like biology experiment carried out in our lab recently.

here's one link: