Social Studies, 16.09.2019 06:00 oscardiazbet8803

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, the amount of damage to the limestone, and the type of acid are controls. the amount of acid and the type of limestone are variables.
the temperature, the type of limestone, and the type of acid are controls. the amount of acid and the amount of damage to the limestone are variables.
the amount of acid, the type of limestone, and the type of acid are controls. the temperature and the amount of damage to the limestone are variables.
the temperature, the amount of acid, and the amount of damage to the limestone are controls. the type of limestone and the type of acid are variables.

Answers: 2

Show answers

Another question on Social Studies

Social Studies, 21.06.2019 23:40

Using the factors of production to make one product always means that o .) a company may experience a shortage of materials o . )a nation can make more money o. ) it is possible to make too many of that product o. ) fewer resources are left to make something else

Answers: 2

Answer

Social Studies, 22.06.2019 00:00

On their way home, what do claudia and jamie decide to do? a. visit the museum every week with mrs. frankweiler and make more discoveries about the exhibits b. tell saxonberg about the mystery behind the angel statue and give the sketch to the museum c. introduce mrs. frankweiler to their parents and tell her that they have adopted her as their grandmother d. visit mrs. frankweiler as often as they can and adopt her as their grandmother

Answers: 1

Answer

Social Studies, 22.06.2019 23:30

Stie cineva cati ani poti fii director de sa imi specificati si legea va rog

Answers: 1

Answer

Social Studies, 23.06.2019 01:20

Using mr smith and his id, identify two potential internal validity threats that might affect the a—b design. tell me how that threat might impact conclusions in the a—b design. note #1: you cannot use maturation (since i already did that one for note #2: there are some mr smith id threats that won’t have much impact in a single case design.

Answers: 1

Answer

You know the right answer?

Omar observes that many buildings in his city were built using limestone. he has read that acid rain...

Questions