Humans ferment in muscles where oxygen becomes depleted.

a. alcohol

b. lactic acid

c. carbon dioxide

d. glucose

volcanoes (an event in the geosphere) release a large amount of particulate matter into the atmosphere. these particles serve as nuclei for the formation of water droplets (hydrosphere). rainfall (hydrosphere) often increases following an eruption, stimulating plant growth (biosphere).

the answer is: metamorphic rocks often show the presence of fossils, also a

hope i

-lavira: )