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<u>Answer</u>:
The null hypothesis: the mean egg thickness is 0.2 mm 
The alternative hypothesis: the mean egg thickness is less than 0.2 mm 
In statistics, the null hypothesis states that there is no significant difference between the observed value and the mean thickness. The alternative hypothesis states is the opposite and states the scientist's "idea" behind the experiment. Here, it refers to the fact that due to DDT, the egg shell will be thinner compared to the mean value.
The studying of learning scientific process Earth is two magnetic Pole. 1 . North Pole 2 . South Pole . This Pole protect sun heat highly red light with radiation
Correct answer: C) Create revenue for the United States government through the sale of wild horses to conservationists
There are various goals of forest service in reference to wild horses but its main goal is to prevent inbreeding of horses in order to avoid genetic abnormalities. Because of inbreeding genetic disorder might occur that may be transfered to the other horses in the future generations. Genetic anomalies may lead to change in genetic makeup, which can have a harmful impact on the whole species.
Answer: The sun produces energy to the solar panel the sollaer panel produces energy to my house
Explanation: