The melting of a glacier is an example of the interactions among which of Earth’s spheres? A. geosphere, troposphere, cryosphere

B. atmosphere, geosphere, cryosphere

C. atmosphere, asthenosphere, biosphere

D. hydrosphere, asthenosphere, atmosphere

Which of the following reasons best explains why a scientist would want to replicate gregor mendel's pea plant experiment? a. to discover new aspects of the natural world b. to test the predictions of current theories c. to explain recently observed phenomena d. to test the conclusions of prior investigations