Question

Here are the steps involved in a scientific investigation.

1) Collect data or information through observation and other appropriate methods.
2) Identify the hypothesis that can be tested and validated through the experiment.
3) Design the experiment.
4) Perform the experiment and collect data.
5) Analyse the data collected.
6) Validate your hypothesis. If invalidated, reformulate the hypothesis and repeat the steps.

After reading about the rusting of iron, Rubina thought that an iron nail left in mud will rust faster than one kept in an air tight container.

Which step of the scientific investigation has she reached
a. Step 1

b. Step 2

c. Step 3

d. Step 4

Answer 1

Answer:

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Explanation:

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