Students are provided with a choice of two solutions. Each one is used to test for the
presence of a different chemical. Fehling's
solution tests for the presence of sugar and Lime
water tests for the presence of carbon dioxide.
How could the students use one of these
solutions to gather evidence for the action of
photosynthesis?

Which statement best summarizes the importance of ernest rutherford’s gold foil experiment? it proved that all of john dalton’s postulates were true. it verified j. j. thomson’s work on the atomic structure. it showed that an electron circles a nucleus in a fixed-energy orbit. it showed that a nucleus occupies a small part of the whole atom.