What roles do conservation and energy efficiency play in us meet our energy needs using renewable resources?

The diagram shows the positions of the sun, moon and earth during spring tides, when the high tides are at their highest and low tides at their lowest. what is it about these positions that causes these high and low tides?

The answer is d the box plots show the data distributions for the number of customers who used a coupon each hour during a two-day sale. which measure of variability can be compared using the box plots? interquartile range standard deviation mean median

All of the following statements about the biosphere are true except: a. light and heat from the sun do not affect the biosphere. b. the biosphere gets resources from earth's crust, hydrosphere and atmosphere. c. like "biology", the name for the biosphere comes from the greek word for life. d. the biosphere includes all living organisms on earth's surface.