Question

number of carbon dioxide bubbles per minute
yeast + glucose
yeast + sucrose
boiled yeast + glucose
boiled yeast + sucrose
yeast + water
0 10 20 30 40 50 60 70 80 90 100
carbon dioxide bubbles per minute

Explanation:

Since the problem (presumably analyzing the bar graph about yeast and carbon dioxide production) is related to biological processes (yeast fermentation), the subfield is Biology (Natural Science). Let's assume the question is to find the number of CO₂ bubbles for a group, say Yeast + Glucose. From the graph, the bar for Yeast + Glucose reaches near 100, Yeast + Sucrose around 50, others (Boiled Yeast + Glucose, Boiled Yeast + Sucrose, Yeast + Water) have 0.

Step1: Identify the group (e.g., Yeast + Glucose)

Look at the bar for "Yeast + Glucose" in the graph.

Step2: Read the value from the y - axis (or x - axis, here x - axis is number of bubbles)

The bar length corresponds to ~100 (if we take the right - most mark as 100). For Yeast + Sucrose, it's ~50. Boiled yeast groups and Yeast + Water have 0.

Answer:

For Yeast + Glucose: ~100 bubbles per minute; Yeast + Sucrose: ~50 bubbles per minute; Boiled Yeast + Glucose, Boiled Yeast + Sucrose, Yeast + Water: 0 bubbles per minute. (Adjust based on actual graph interpretation, this is a sample based on typical yeast fermentation graphs)