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jeka57 [31]
3 years ago
12

If you observe something and want to determine why it is happening, what steps should you

Chemistry
1 answer:
Sloan [31]3 years ago
4 0

Answer:

Make an observation.

Ask a question.

Form a hypothesis, or testable explanation.

Make a prediction based on the hypothesis.

Test the prediction.

Iterate: use the results to make new hypotheses or predictions.

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A student makes a sandwich with several layers of bread and cheese. Then the student cuts the sandwich and says it models how a
Ksenya-84 [330]

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Rock layer and sandwich layer is almost the same.

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This geologic structure is called an anticline. Now gently bend your sandwich so that the layers are bowed downwards, thus creating a syncline. The presence of anticlines and synclines indicate strong forces that often form mountain ranges.

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Identify which of the following statements about the isotopes of an element is correct.
kozerog [31]

Answer:

A

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because B is wrong as it doesn't have the same mass number. C is wrong as it has different number of neutrons. D is wrong as it has more neutrons than protons.

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2 years ago
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sashaice [31]

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What is the formula for lead (2) bromide
jeka94

PbO

Br-


Hope this helps!!!

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3 years ago
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gladu [14]
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1. No
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