Lex decides to examine the effect of fertilizer on the growth of tomato plants. Fie chooses four plants for his experiment and applies varying
amounts of fertilizes to three of them. He does not apply fertilizer to one piant.
Over a 15-ay period, the plants receive fertilizer on Days 1, 4, 7, 10. and 13. Les measures the height of all of his plants with a metersick
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 Lexi's experiment on tomato plants?
the amount of fertilizer given to the plants
the days fertilizer was applied
the days plant height was measured
the measurements of plant height
Answers: 3
Biology, 21.06.2019 23:50
Differentiation of cells changes the nucleic information. true false
Answers: 2
Biology, 22.06.2019 02:00
What would happen if the krill were removed from the food web
Answers: 2
Biology, 22.06.2019 04:30
What is the correct term for an area of rotating currents in an ocean? when ocean currents combine, they create an area of rotating currents called an
Answers: 2
Biology, 22.06.2019 07:00
Which statement best describes how the loudness of the sound affects the high-pressure region created by the sound wave? a. a louder sound has no effect on the pressure created. b. a louder sound means a high-pressure region that is higher. c. a louder sound means a high-pressure region that is not as high.
Answers: 1
Lex decides to examine the effect of fertilizer on the growth of tomato plants. Fie chooses four pla...
History, 09.09.2020 22:01
Mathematics, 09.09.2020 22:01
Social Studies, 09.09.2020 22:01
History, 09.09.2020 22:01
Business, 09.09.2020 22:01
Mathematics, 09.09.2020 22:01
Biology, 09.09.2020 22:01
Biology, 09.09.2020 22:01
Mathematics, 09.09.2020 22:01
Mathematics, 09.09.2020 22:01
Spanish, 09.09.2020 22:01
Mathematics, 09.09.2020 22:01