Enzymes are responsible for keeping body temperature at a normal range even
though chemical reactions in the body require and give off a great deal of heat
energy.
a) true
b) false

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 correct answer is b

d. groundwater flows through the subsoil and deposits minerals.