Chemistry, 07.09.2021 03:00 yoangel9183
A scientist wants to investigate whether plants need sunlight to grow. The hypothesis being tested is: “Plants require sunlight to grow.” The scientist placed one tray of sunflower seedlings in the sun and another tray of sunflower seedlings in a cupboard in the laboratory The seedlings were watered and after 6 weeks the height of each seedling was measured. л Condition A: sunflower seedlings in the sun Condition B: Sunflower Seedlings in a Cupboard. Which variable/factor is being investigated (and therefore changed)?
Answers: 2
Chemistry, 22.06.2019 12:30
Sodium sulfate dissolves as follows: na2so4(s) → 2na+(aq) + so42- (aq). how many moles of na2so4 are required to make 1.0 l of solution in which the na concentration is 0.10 m?
Answers: 2
Chemistry, 23.06.2019 06:10
How much would the freezing point of water decrease if 4 mol of nacl were added to 1 kg of water (kf=1.86 degrees c/(mol/kg) for water and i=2 for nacl a- 7.44 degrees c b- 14.88 c 3.72 d 1.86
Answers: 1
A scientist wants to investigate whether plants need sunlight to grow. The hypothesis being tested i...
Mathematics, 18.12.2020 14:00
History, 18.12.2020 14:00
Biology, 18.12.2020 14:00
Mathematics, 18.12.2020 14:00
Biology, 18.12.2020 14:00
Social Studies, 18.12.2020 14:00
English, 18.12.2020 14:00
History, 18.12.2020 14:00
Computers and Technology, 18.12.2020 14:00
Mathematics, 18.12.2020 14:00