Biology, 02.08.2019 05:00 lychee1406
Trey and randall are conducting an experiment to test the effects of watering plants with deionized water compared to tap water. they take 20 plants of the same size and species, kept in the same area in front of a large window of their classroom, and water half with tap water and half with deionized water. all plants receive the same amount of water daily for three weeks. the plants watered with tap water grew an average of two inches taller. when they were finished, they reported their results in the school newspaper. would their experimental findings be considered valid scientific research? a) no, because they weren't working with a scientist. b) yes, because they have all elements of a valid experiment. c) no, because their work has not been reviewed by other scientists. d) no, because they didn't do enough research before their experiment.
Answers: 2
Biology, 21.06.2019 15:30
What is the chance of two parents with blood types ab and o producing an offspring with blood type o a.0% b.25% c.75% d.50%
Answers: 1
Biology, 21.06.2019 18:30
Which of the following represents the chemical reaction of hydrazine and hydrogen peroxide to produce nitrogen and water? a. nitrogen + hydrogen peroxide → hydrazine + water b. nitrogen + water → hydrazine + hydrogen peroxide c. hydrazine + hydrogen peroxide → nitrogen + water d. water + hydrogen peroxide → nitrogen + hydrazine
Answers: 3
Biology, 22.06.2019 04:30
What is used to keep track of the gamates and possible offsprings combination
Answers: 2
Trey and randall are conducting an experiment to test the effects of watering plants with deionized...
Physics, 26.01.2021 05:10
Mathematics, 26.01.2021 05:10
Health, 26.01.2021 05:10
English, 26.01.2021 05:10
Mathematics, 26.01.2021 05:10
Mathematics, 26.01.2021 05:10
Physics, 26.01.2021 05:10
History, 26.01.2021 05:10
Mathematics, 26.01.2021 05:10
Mathematics, 26.01.2021 05:10
Mathematics, 26.01.2021 05:10
History, 26.01.2021 05:10
Physics, 26.01.2021 05:10