Physics, 14.07.2019 00:30 Levantine3667
Ascientist plans to find out if dams harm a river ecosystem. he interviews 500 environmentalists and 450 of them believe that dams are harmful for the ecosystem. the scientist concludes that 90 percent of people believe that dams are harmful. why is the scientist's conclusion most likely unreliable? very few people were interviewed the source of information could be biased the data about river ecosystems is not accurate the results of the investigation cannot be repeated
Answers: 2
Physics, 21.06.2019 18:00
Which statement is true for light passing into a medium that is more optically dense than the first medium through which it past
Answers: 1
Physics, 22.06.2019 05:20
A3.9 g aluminum foil ball with a charge of +4.1Ć10ā9 c is suspended on a string in a uniform horizontal eā field. the string deviates to the right and makes an angle of 30ā with the vertical. part a part complete what information about the eā field can you determine for this situation? what information about the field can you determine for this situation? only the magnitude of eā only the direction of eā both the magnitude and the direction of eā none of the above previous answers correct part b determine the magnitude of the electric field. express your answer with the appropriate units. e e = nothing nothing request answer part c determine the direction of the electric field. determine the direction of the electric field. to the right to the left away from you toward you
Answers: 3
Physics, 22.06.2019 15:00
You want to lose weight and have been trying to decide which type of fad diet is best for you. you ask your doctor, who responds that a. fad diets are a temporary fix but generally don't have any side effects b. fad diets can be used several times a year to maintain a healthy weight c. fad diets can be risky for your health and, in the long run, do not work d. fad diets should never be used one right after the other; there should be a break between them select the best answer from the choices provided. a b c d
Answers: 1
Physics, 22.06.2019 16:00
The solid that is formed and usually sinks to the bottom of a solution is the
Answers: 2
Ascientist plans to find out if dams harm a river ecosystem. he interviews 500 environmentalists and...
Mathematics, 02.02.2021 01:00
Mathematics, 02.02.2021 01:00
Mathematics, 02.02.2021 01:00
Mathematics, 02.02.2021 01:00
History, 02.02.2021 01:00
Mathematics, 02.02.2021 01:00
English, 02.02.2021 01:00
Mathematics, 02.02.2021 01:00
History, 02.02.2021 01:00
Social Studies, 02.02.2021 01:00