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 23:20, lailabirdiemae
Initially, a particle is moving at 5.33 m/s at an angle of 37.9° above the horizontal. two seconds later, its velocity is 6.11 m/s at an angle of 54.2° below the horizontal. what was the particle's average acceleration during these 2.00 seconds in the x-direction (enter first) and the y-direction?
Answers: 1
Physics, 22.06.2019 11:10, cmflores3245
While standing outdoors one evening, you are exposed to the following four types of electromagnetic radiation: yellow light from a sodium street lamp, radio waves from an am radio station, radio waves from an fm radio station, and microwaves from an antenna of a communications system. rank these type of waves in terms of increasing photon energy.
Answers: 3
Physics, 23.06.2019 01:00, dbanks701
Nthe 19th century, women were expected to conform to a certain role that entailed a. gaining domestic skills and establishing a career b. going to college and getting married c. getting married and having children d. graduating from college and being a housewife
Answers: 1
Ascientist plans to find out if dams harm a river ecosystem. he interviews 500 environmentalists and...
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