Select the initial source or sources of carbon dioxide in earth's atmosphere

a.) volcanoes
b.) respiration
c.) meteoroids
d.) photosynthesis
e.) buring fossil fuels

As scientists have investigated evolution from a variety of fields, they have found that some of darwin's orginal ideas were inaccurate or incomplete. t explanation provided by evolution was updated each time to reflect the new information they found. what does this suggest about the theory of evolution? it has become a stronger and clearer theory as new information is collected.