Although Hydroelectric Dams Generate Electricity Without Directly Producing Greenhouse Gases,they

question 3

Multiple Choice

Although hydroelectric dams generate electricity without directly producing greenhouse gases,they ________.

• A)contribute only about 5% of global electricity production
• B)produce as much other air pollutants as coal-fired power plants
• C)are short-lived structures that have to be rebuilt about every 20 years
• D)eliminate wildlife habitats and affect the temperature of waterways

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Definitions:

Null Hypothesis

In statistics, the null hypothesis is a general statement or default position that there is no difference or effect within a particular set of observations or experiments.

Atlantic Region

A geographical area adjacent to the Atlantic Ocean, often referring to the eastern parts of countries or specific areas within continents that are near the Atlantic.

Unrelated Living Kidney Donation

The process where a living individual donates one of their kidneys to someone they do not have a pre-existing personal or familial relationship with.

Chi-square Statistic

A number that tells us how much the observed counts in a statistical test differ from the counts we would expect if there were no relationship in the population.