... release of carbon dioxide into the atmosphere
I would say burning a campfire would contribute most to climate change over the others.
C)
The study of the ear is called otology
A biomass pyramid shows the total mass of the organisms that each trophic level occupies in an ecosystem. Usually, producers have a higher biomass than any other trophic level, but there can be lower amounts of biomass at the bottom of the pyramid if the rate of primary production per unit biomass is very fast.
I believe it is B i took this test last year.
