If both fossil fuels and bio fuels release carbon dioxide into the air when they are used, why are bio fuels better than fossil fuels

New york city has 2,181 inhabitants per square mile. the state of alaska has 1.03 inhabitants per square mile. ecologists would say alaska has a low exponential growth population density birth rate carrying capacity

What was the land like over 500 million years ago? what was under the sea?

How are gross production and net production different? a. net production is always greater than gross production. b. net production is always less than gross production. only animals have net production. d. only plants have net production. select the best answer from the choices provided