Biology

Biology, 03.11.2019 21:31, madisonsolis05

Tyrrell wanted to measure the growth of tomato plants in response to different types of fertilizer. which tool would be most accurate?

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Social Studies, 27.06.2019 19:00, santos36755

Levi decides to examine the effect of fertilizer on the growth of tomato plants. he chooses four plants for his experiment and applies varying amounts of fertilizer to three of them. he does not apply fertilizer to one plant. over a 15-day period, the plants receive fertilizer on days 1, 4, 7, 10, and 13. levi measures the height of all of his plants with a meterstick on days 3, 6, 9, 12, and 15. he also makes sure to hold all experimental factors constant except for the fertilizer. what is the independent variable in levi's experiment on tomato plants?

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Physics, 29.08.2019 21:20, smp32

Levi decides to examine the effect of fertilizer on the growth of tomato plants. he chooses four plants for his experiment and applies varying amounts of fertilizer to three of them. he does not apply fertilizer to one plant. over a 15-day period, the plants receive fertilizer on days 1, 4, 7, 10, and 13. levi measures the height of all of his plants with a meterstick on days 3, 6, 9, 12, and 15. he also makes sure to hold all experimental factors constant except for the fertilizer. what is the dependent variable in levi's experiment on tomato plants? the measurements of plant height the days plant height was measured the amount of fertilizer given to the plants the days fertilizer was applied

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Chemistry, 11.09.2019 18:30, zariyastanfield4452

Accuracy is a measure of how close a value is to its true value you can control accuracy by choosing the appropriate tool or instrument and using it carefully. how could the students in the following questions improve their accuracy? tyrrell wanted to measure the growth of tomato plants in response to different types of fertilizer which tool would be most accurate?

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Biology, 01.10.2019 09:10, Vickyvics183

Manuel is performing a scientific investigation to determine whether fertilizer a or fertilizer b is more effective at increasing the growth rate of tomato plants. manuel measures and separates 30 tomato plants into two equal groups that are planted in identical environments. he gives one group fertilizer a, and gives the other group the same amount of fertilizer b. during the first week of the investigation, he gives the tomato plants in both groups the same amount of water. during the second week, however, he forgets to water the tomato plants being given fertilizer b, but still provides water for the tomato plants being given fertilizer a. two weeks after planting, manuel measures the tomato plants and discovers that the tomato plants given fertilizer a have grown much more rapidly than the tomato plants being given fertilizer b. manuel's results a. are not valid because one of the variables was not controlled during week 2. b. are valid because he controlled all of the variables in week 1. c. are valid because he designed his experiment correctly. d. are not valid because he should not have grown the plants in identical environments.

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Tyrrell wanted to measure the growth of tomato plants in response to different types of fertilizer....

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