We've polluted it, land, water, and air. We're causing global warming. We've caused many animals to become extinct because we've either destroyed their environments or over hunted them; or at the least, we've put some on the endangered list.
<P>You should really watch <STRONG><EM>An Inconvienent Truth</EM></STRONG> if you really want to see many of the things us humans have done to the Earth.
humans have changed the balance of nature by growing plants recycling and going green. Reuse renew recycle
Biofectic, ederomitoly, and lacticoreism
it can be used for power, like geothermal
Yes. Metamorphic rocks are any other type of rock (igneous or sedimentary) that has been deformed and altered by exposure to heat, as in from an igneous intrusion or proximity to the mantle.
Organelles :)
yes the are, actually theirs quite a few.
75%
humans always do
Computer
artifact
Subsystems but no definitions... housing,
height
What biome
gc
Lots.
what area the three subsystems of culture
humans always do
Some subsystems (parts) are:ScrewsWheel and AxelhandleMetalBladeGearsLever