How big is the Moon, really?

How big is the Moon, really?
 The area of the United States, is a little over 20 percent of the Moon's surface area.
Share on Google Plus

Alex E

Ecoclimax is defined by Odum (1969) as the culmination state after a succession in a stabilized ecosystem in which maximum biomass (or high information content) and symbiotic function among organisms is kept per unit of available energy flow.