Life Outside Our Biosphere
Beginning of paper
The fragile balance of the Earth's ecosystem is constantly being
disrupted. Overpopulation is placing heavy strain on the world's resources. We
are burning all our fossil fuels to create the energy we need, and clearing our
rainforests to make enough farmland to feed everyone. The ozone layer is ....
Middle of paper
.... more in depth. Scientists have now found it to be a red, rocky, barren
desert with little atmosphere, no water, and containing no life. If Earthlings
were to settle on Mars, we would remain totally dependent on the Earth's
resources.
Another close planet is Venus, the second from the sun. This "sister
planet" of Earth proved to have extremely hostile conditions. Scientists were
hopeful when they found traces of water vapor in the upper atmosphere, but were
disappointed when concentrations ....
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Word count: 909
Page count: 4 (approximately 250 words per page)
