Select all that apply. What are the two base pairs that form the ladder rungs of DNA? guanine-adenine
thymine-cytosine
cytosine-guanine
adenine-thymine
cytosine-adenine

Why does a cake rise when you bake it? ♡

Which of the following methods uses the decay of atomic particles in an object to find its exact age? a. fossil dating b. geologic dating c. radioactive dating d. relative dating

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.