What do the recession of the moon, magnetic fields, spiral galaxies, and comets show us about the universe?

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

Pleas give me brief explanation about deterministic model in advanced hydrology

Physical needs include: a. the need for sleep b. the need to feel safe c. the need to feel secure d. all of the above