Social Studies, 12.10.2020 20:01 silveryflight
Omar observes that many buildings in his city were built using limestone. He has read that acid rain can damage limestone. He also knows that limestone reacts with acids and that chemical reactions are affected by temperature. With this in mind, he conducts an investigation to see how the amount of damage to the limestone is affected by the amount of acid on the stone.
Which statement describes the correct plan for his procedure?
The temperature and the amount of damage to the limestone are controls. The amount of acid and the type of limestone are variables.
The temperature and the type of limestone are controls. The amount of acid and the amount of damage to the limestone are variables.
The amount of acid and the type of limestone are controls. The temperature and the amount of damage to the limestone are variables.
The amount of acid and the amount of damage to the limestone are controls. The type of limestone and temperature are variables.
Answers: 1
Social Studies, 22.06.2019 09:30
Which of the following organizations worked primarily for women’s suffrage? nawsa naacp wctu ncl
Answers: 1
Social Studies, 22.06.2019 14:40
Which term describes a possible explanation of, or answer to, a scientific question that is based on prior knowledge or research and that is testable?
Answers: 2
Social Studies, 22.06.2019 16:30
Nami conducts an investigation on plants. she places a grow light on a timer to give the plants different amounts of light to see if this would affect their growth. in this investigation, the amount of light is the .
Answers: 3
Social Studies, 23.06.2019 03:20
Adescription of at least one real life problem that has to be solved or decision that has to be made using good judgment, and obstacles encountered while making the decision(s) or solving the problem(s) (again, these can be real examples or imagined, but they should clearly illustrate your understanding of the obstacles described.) at least three key terms from the lesson used in your example(s):
Answers: 3
Omar observes that many buildings in his city were built using limestone. He has read that acid rain...
Computers and Technology, 17.02.2021 06:50
Mathematics, 17.02.2021 06:50
Arts, 17.02.2021 06:50
Biology, 17.02.2021 06:50
Social Studies, 17.02.2021 06:50
Mathematics, 17.02.2021 06:50
Geography, 17.02.2021 06:50