Papers on Science and Environment
Colorado River
Words: 4746 - Pages: 18.... it a place to traverse, to spread Christianity, and a possible source of furs or mineral wealth. Finding a reliable or accessible water source, and timber for building was difficult to find. There was a lack of land that could be irrigated easily. By the turn of the century, most present day cities and towns were already established. Trails, roads, and railroads linked several areas with neighboring regions. Although the drainage system was still not integrated. In the mid 1900’s many dams had been built to harness and use the water. A new phase of development occurred at the end of the second World War. There was a large emphasis .....
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Quantum Theory?
Words: 966 - Pages: 4.... theory dealing with the interactions of matter and energy in terms of observable quantities of quanta, small bundles of energy. Quanta are the fundamental building blocks of everything according to the (The New Merriam-Webster Dictionary). The spaces between these quanta are called quantum foam; it is through these spaces that entities are destroyed and simultaneously reconstructed by teleportation, thus “moving” the entities to different places in our universe and helping them travel to other universes.
In the novel, scientists discover that the proves the existence of multiple universes. The realization that these other “di .....
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What Is A Plant?
Words: 611 - Pages: 3.... plants and animals is vague, especially among the
more primitive forms.
Plant organs are organized into three kinds of organs: roots, stems,
and leaves. Roots anchor the plant into the ground and they also gather
minerals and water from the ground. Roots usually grow under ground and
downward. Roots have tiny “hairs” which increase the surface of the roots,
which results in more gathering of minerals and water. Stems are usually
above ground, grow upward, and usually have leaves. Plants that do not
have leaves generally use the stem as the photosynthetic surface, like
cacti. Leaves are still the most common photosynthetic surfa .....
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Human Cloning Isn't As Scary As It Sounds
Words: 1335 - Pages: 5.... twin. And just as identical twins are two separate
people—biologically, psychologically, morally and legally, though not
genetically—so a clone is a separate person from his or her non-contemporaneous
twin. To think otherwise is to embrace a belief in genetic determinism—the view
that genes determine everything about us, and that environmental factors or the
random events in human development are utterly insignificant. The overwhelming
consensus among geneticists is that genetic determinism is false.
As geneticists have come to understand the ways in which genes operate, they
have also become aware of the myriad ways in which the e .....
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Memory
Words: 1045 - Pages: 4.... understand
(Loftus p. 392).
Memory is broken down into three systems or categories . These different
systems are sensory memory , short-term , and long-term memory. Sensory memory
is the shortest and less extensive of the others. It can hold memory for only an
instance (Memory p. 32). Suppose you see a tree , the image of the tree is
briefly held by the sensory memory and quickly disappears unless you transfer it
to your short-term memory (Rhodes p. 130). The next level is called short-term
memory. The image or fact can be held as long as the brain is actively thinking
about it (Loftus p. 392). For example , if you look up a number in th .....
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Thoughts On Acid Rain
Words: 1274 - Pages: 5.... and nitric acid, and air current can send them thousands of
kilometres from the source.When the acids fall to the earth in any form it
will have large impact on the growth or the preservation of certain
wildlife.
NO DEFENSE
Areas in Ontario mainly southern regions that are near the Great
Lakes, such substances as limestone or other known antacids can neutralize
acids entering the body of water thereby protecting it. However, large
areas of Ontario that are near the Pre-Cambrian Shield, with quartzite or
granite based geology and little top soil, there is not enough buffering
capacity to neutralize even small amounts of acid fallin .....
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Animal Uses
Words: 738 - Pages: 3.... to experiments that often cause pain and even death. According to Cutis, about 25 cosmetic companies including Avon and Revlon, have cooperated in conducting animal tests to see if there product are irritating (664). These experiments were tested on rabbits only because they have no tear glands to wipe away any foreign objects on the eye. The animal would be strapped down and the "product" would be dropped into the eyes. After irritation came pain, after pain came ulceration and bleeding, blindness would follow. Other tests would include "forcing hair dye or face powder into a dog or rat through a stomach tube until its internal organs .....
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Comets
Words: 275 - Pages: 1.... conglomerate of ices and dust. Major proofs of the
snowball theory rest on various data. For one, of the observed gases and
meteoric particles that are ejected to provide the coma and tails of comets,
most of the gases are fragmentary molecules, or radicals, of the most common
elements in space: hydrogen, carbon, nitrogen, and oxygen. The radicals, for
example, of CH, NH, and OH may be broken away from the stable molecules CH4
(methane), NH3 (ammonia), and H2O (water), which may exist as ices or more
complex, very cold compounds in the nucleus. Another fact in support of the
snowball theory is that the best-observed comets move in .....
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Forests And Oceans As Carbon Sinks
Words: 1364 - Pages: 5.... for the relative abundance of carbon dioxide to estimate atmospheric carbon dioxide levels at times extending back 160 000 years. Through the ice sheet, we know that 160 000 years ago, carbon dioxide concentrations were about 180 ppm and have presently exceeded 350 ppm.
5) There are mainly 3 major sources of carbon dioxide presently and historically. They are industrial activity, land use change and cement plants. The carbon dioxide from industrial activity mainly comes from fossil fuel burning and is by far the most abundant of sources. The carbon dioxide from land use change comes mostly from deforestation which occurs mostly in .....
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Ants, Little But Mighty
Words: 1728 - Pages: 7.... a nest, the young queen ant seals off the
entrance and begins to lay eggs. Some of the first batch are
eaten by the queen for nourishment. When the surviving
eggs hatch they become like larvae. After a few weeks each
larva spins a cocoon around itself and pupates. In a few
more weeks, adult workers emerge. It is their job to hunt
for food and make the nest bigger.
More workers will develop and the colony gets very
organized. The new workers will completely take over as
caretakers of the eggs, larvae, and pupae. Now the queens
only duty is to lay more and more eggs, thousands of them
in her lifetime. Many wingless workers dev .....
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