A scientist plans to find out if dams harm a river ecosystem. He interviews 500 enviormentalists and 450 of them believe dams ar
e harmful to the ecosystem. The scientists concludethat 90 percent of people believe that dams are harmful. Why is the scientist's comclusion most likely unrealible.
The answer is: the source of information could be biased
The scientist is interviewing environmentalists and then generalized their opinion as "people". An environmentalist is a person that cares about the environment, so they will more likely to deny the option that harms the environment. If the dam harmful to the environment, most environmentalists will not approve it.
it gradually stops seed growth and sprouting depending on how much radiation is released.If there is too much evaporation due to intense radiation,the stomata closes to reserve water and if the stomata is unable to open for a long period of time the growth of the plant is stunted.
Particle masses are often reported as powers of 10 times this unit over c squared; ... The name of what king of Epirus inspired a term meaning a very costly victory? ... This structure's outermost cells are classified as "on‐center" or "off‐center" ... In one work about these objects, a D-flat major triad followed by a B major triad is .Explanation:
In an acidic or neutral solution, red litmus paper remains red. In an alkaline solution, red litmus paper turns blue. When an alkaline compound dissolves in water, it produces hydroxide ions, which cause the solution to become alkaline.
The control tube means a protective sheath for guiding the control cable. The controlling tube connects the control drive mechanism to the radiographic exposure device.
