Which of the following is used to avoid bias in a clinical trial?
A. High self-confidenc...
Answers: 2
Another question on Biology
Biology, 22.06.2019 02:00
Which of the following can be reduced by the use of renewable energy sources? a. social costs b. economic costs c. environmental costs d. all of the above select the best answer from the choices provided a b c d
Answers: 1
Biology, 22.06.2019 07:30
Cathy hypothesized that corn would not grow in mud. to test this hypothesis, she took corn kernels and placed 5 in mud, 3 in soil, and 2 in water. to her surprise, the kernels in the mud grew faster than the kernels in the soil. what error might have caused these unexpected results? a. wrong hypothesis b. not enough variables c. undefined control d. too many variables
Answers: 3
Biology, 22.06.2019 07:30
The ancestors of plants that lived in water had plenty of water for the young. angiosperms are a group of land plants that evolved a reproductive trait for living on land. this trait protect young plants by allowing them to grow only when water is present and the conditions for healthy development are right. what trait most likely young angiosperms in this way?
Answers: 1
You know the right answer?
Questions
Spanish, 18.11.2019 07:31
Social Studies, 18.11.2019 07:31
Spanish, 18.11.2019 07:31
Health, 18.11.2019 07:31
History, 18.11.2019 07:31
Biology, 18.11.2019 07:31
Chemistry, 18.11.2019 07:31
Mathematics, 18.11.2019 07:31
Mathematics, 18.11.2019 07:31
Mathematics, 18.11.2019 07:31
