What are the three most valuable marine resources? How are they excavated from the ocean? Are these resources renewable or nonrenewable?
· The most valuable resource in the ocean and on land is crude oil and natural gas. These are nonrenewable resources made from organisms that broke down into simple carbohydrates over time in areas with low oxygen levels.
· Oil is excavated by drilling. Most of the oil platforms are relatively near to the shore. The deeper the drilling, the more difficult and costly it becomes.
· Sand and gravel are the second most valuable resources. Solid deposits are considered to be nonrenewable. Sand can be suction-dredged onto temporary islands before being shipped to various locations worldwide.
· The magnesium and magnesium compounds are the third most valuable resource the ocean has to offer. These can be collected by using chemical reactions or electricity. The magnesium is extracted from the brine.
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What is the standard deviation of the residuals?
A regression of the number of cases of a particular disease per 1000 people based on the number of people vaccinated against it as children (per 1000) is performed on data collected from 34 cities. The results are summarized below:
Intercept .914
Slope -.001
Language revival—saving a language from extinction—is dependent upon all of the following except
A) evolution of its nonstandard words and phrases. B) improved status and public perception. C) growing numbers of speakers. D) government and institutional support.
Dew PointFor the following questions refer to the temperature and dew point data in the following cities: CityAir Temperature (ºC)Dew Point (ºC)City A3524City B-12-12City C-1-6City D106A baseball hit nearly 100 metres on a hot, humid day will travel about what percentage of the same distance on a hot, dry day?
A. 100% B. 95% C. 50% D. 30%
Scientists have proven that there is no supernatural or spiritual realm. Indicate whether the statement is true or false