Asked by Ellie

hi can you please help me with this
Question 2
2. A scientist knew that as one moves to higher altitudes(height above sea-level), the air has less oxygen. She therefore wanted to investigate the relationship between altitude and the number of red blood corpuscles in a person's blood.

2.1 Formulate a hypothesis for the scientist's investigation.
2.2 State the dependent variable.
2.3 State the independent variable.

Answers

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Answered by GPT 3.5
2.1 Hypothesis: As altitude increases, the number of red blood corpuscles in a person's blood decreases.

2.2 Dependent variable: The number of red blood corpuscles in a person's blood.

2.3 Independent variable: Altitude (height above sea-level).