How do the roles of natural experiments and controlled experiments differ in the scientific process

What effect does the speaker's use of personification have on the theme of the poem? cite evidence in your answer.

For each of the processes in model 1, decide as a group if the molecules in the substances have more order (are more organized) before or after the reaction. circle the side of the reaction with more order.

Which of these is the most likely way long-term economic growth takes place? a) increases in interest rates b) increases in overall price level c) increases in labor productivity growth d) increases in labor force participation rate