To understand how earth’s interior structure was formed, we need to go back in time to its formation during the birth of the solar system. astronomers believe that when earth and the other terrestrial planets formed, a process called differentiation occurred. rank the steps of the differentiation process in order from the initial stage to the final stage. a. heating and melting of rock
b. cooling and solidification of rock layers (final stage)c. sinking of heavier metals toward center and floating of lighter rocks towards the surface
d. intense bombardment and radioactivity (initial stage)

Astudent conducts an experiment to see how music affects plant growth. the student obtains four identical plants. each one is potted in the same type of soil and receives the same amount of sunlight and water each day. plant a listens to classical music for three hours each day. plant b listens to rock music for three hours each day. plant c listens to country music for three hours each day. plant d does not listen to any music at all. 2. based on the experiment in the scenario, which visual aid would be most in showing the change in the plants' heights over time? a. a pie chart b. a line graph c. a timeline d. a bar graph

When you imagine how you'll get from your house to the store, you are a. mental projection b. mental map c. piagetian projection d. cognitive load

Which of the following insects is a decomposer? a. mosquito. b. caterpillar. c. beetle. d. none of the above.