Biology, 12.12.2020 16:00 xochitlbmartine
A scientist plans to find out the cause of decrease in bird population in a location. He interviews 50 people who work in the local oil mine and 45 of them believe that the mine does not affect the birds. The scientist concludes that 90 percent of people in the location believe that the local oil mine does not cause decrease in bird population. Why is the scientist's conclusion most likely unreliable? the source of information could be biased the investigation is done by only one person bird population cannot be measured accurately the results of the investigation cannot be repeated
Answers: 2
Biology, 21.06.2019 22:00
Explain why phospholipid molecules form a bilayer. (3 marks)
Answers: 1
Biology, 22.06.2019 06:20
Cells are adapted to preform specific functions. which of the following terms refers to this capability?
Answers: 2
Biology, 22.06.2019 06:40
Which scientific design has both practical limitations and limitations due to scale? studying the effect of bleach on the growth of mold spores exposing cultures of duckweed to different intensities of light observing the replication of dna molecules with a hand lens using colored marbles to model a cross between two colors of rabbits
Answers: 2
Biology, 22.06.2019 07:00
Which of the following will a bacterium produce when a human gene is added to its genome? question 4 options: human carbohydrates a protein made up of both human and bacterial properties the human protein coded for by the human gene human plasmids that can be isolated from the bacterium
Answers: 2
A scientist plans to find out the cause of decrease in bird population in a location. He interviews...
Mathematics, 18.07.2019 02:10
Biology, 18.07.2019 02:20