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During the Paleozoic many biologic and geologic events occurred. List, then describe 4 different and
During the Paleozoic many biologic and geologic events occurred. List, then describe 4 different and significant event and what their impact were for this era
This is a question of enviromental science that I do not know.
In general, A)hypotheses describe and theories explain. B)experiments test and laws explain. C)aws describe and theories explain. D) laws explain and theories describe.
Why is it so difficult to interpret the geology of the Precambrian? How are these difficulties or ...
Precambrian time, period of time that extends from about 4.6 billion years ago (the point at which Earth began to form) to the beginning of the Cambrian Period, 542 million years ago. The Precambrian represents more than 80 percent of the total geologic record.
Megathrusts between subducting oceanic crust and an overriding plate are a potential source of ...
A) oceanic crust is "thrust" over the continent along a megathrust so that forces the land downward producing a tsunami B) one side of the fault is on land and the other is underwater so an earthquake could cause a landslide or tsunami depending on which side moved C) the earthquakes on these faults are underwater and could displace large amounts of water from th
Developed Regions? high GDP per capita? Third World? large primary sector of economy? high debt service relative to GDP? economically diversified? high mass consumption? post-industrial economies? autarkic regions? in the "debt trap”?? Establish Export Processing Zones (EPZs)? LDCs? GNP/capita < $5000? wood for
How would the primary MINEROLOGY be different if these rocks were more felsic?
1. How would the primary MINEROLOGY be different if these rocks were more felsic? 2. How would the primary MINEROLOGY be different if these rocks were more mafic?
what is the relative age of the Green Valley Tonalite vs. the Dacite Plug at Cal
what is the relative age of the Green Valley Tonalite vs. the Dacite Plug at Calavera Hills? use superposition, inclusion data, or crosscutting relationships
Specifically describe how would tell the following minerals apart using minera
Specifically describe how would tell the following minerals apart using mineral properties. Be complete. Do not just state the property, but how it distinguishes each mineral species. Do not use color as the only factor. Make sure and use cleavage, fracture, and hardness as well as other properties. 1. Hornblende and Feldspar 2. Fluorite and Hornblende 3. Quartz an
Using the information you presented in your answer for the previous question, co
Using the information you presented in your answer for the previous question, compare the greenhouse effect on Earth to that on planetary bodies such as the Moon and Venus.
In March 1979, the Three Mile Island nuclear power plant in Pennsylvania suffere
In March 1979, the Three Mile Island nuclear power plant in Pennsylvania suffered a partial-meltdown of one of its reactors, resulting in the release of small amounts of radioactive gases and radioactive iodine. Public confidence in the use of nuclear power dropped and some locations put moratoriums on the construction of new power plants. Today, with concerns for the rising cost of
One of the hot-button political issues at the beginning of the 21st century invo
One of the hot-button political issues at the beginning of the 21st century involved the proposal to drill for oil beneath the Arctic National Wildlife Refuge. Proponents of drilling argued that the oil recovered would reduce American dependence on foreign oil and would stimulate the economy. Those against drilling argued there would be significant environmental harm, the reserves w
Based on the eruptive materials, volcanic hazards, and violence of eruptions, wh
Based on the eruptive materials, volcanic hazards, and violence of eruptions, which type of volcano would be the most dangerous to live near? Cite specific hazards and how they could affect nearby residents.