Jim is investigating the effect of the amount of salt in water on the growth of sunflower plants. He plants three sunflowers in three identical pots filled with the same type of soil. He places the pots in a sunny location. He mixes 500 milliliters (mL) of water and 15 grams (g) of salt and uses it to water one sunflower plant twice a week. He mixes 200 mL of water and 10 g of salt and uses it to water another sunflower plant twice a week. He mixes 100 mL of water and 2 g of salt and uses it to water the third sunflower plant twice a week. He measures the height of the sunflower plants each week. At the end of one month, Jim's sunflower plants are the same height. He concludes that the amount of salt in the water does not affect the growth of sunflower plants. Was Jim's experiment well-designed?
Question 1 options:
No; he changed the amount of salt he used for each plant.
No; he changed the amount of water he applied to each plant.
Yes; he observed and measured the plants for one month.
Yes; he had three trials.
Answers: 1
Biology, 21.06.2019 19:50
Which of these resources is used worldwide to make construction products, pottery, and porcelain
Answers: 3
Biology, 22.06.2019 21:00
Amino acids with hydrophobic r groups are most often found buried in the interior of folded proteins.true or false.
Answers: 2
Biology, 22.06.2019 23:20
What is the purpose of a punett square? a: finding the number of offspring people can haveb: predicting the outcome of genetic crosses c: finding how many genes a person has d: predicting the outcome of a coin toss (i think it's b or c but i'm not sure)
Answers: 2
Biology, 23.06.2019 02:00
If blood is in short supply which blood type would be the most beneficial to have on hand if someone needed a blood transfusion?
Answers: 1
Jim is investigating the effect of the amount of salt in water on the growth of sunflower plants. He...
Mathematics, 17.11.2020 18:50
Health, 17.11.2020 18:50
Business, 17.11.2020 18:50
English, 17.11.2020 18:50
Mathematics, 17.11.2020 18:50
World Languages, 17.11.2020 18:50
Mathematics, 17.11.2020 18:50
Mathematics, 17.11.2020 18:50
Mathematics, 17.11.2020 18:50