Question

dissolved oxygen (mg/l) in the gulf of mexico in may

1. refer to the graph and note the dates when dissolved oxygen is above 3 mg/l.

a may 28 - 31
b may 8 - 24
c may 1 - 7
d may 25 - 27

Explanation:

Step1: Analyze each option

• Option A: May 28 - 31. The graph shows that the dissolved oxygen is below 3 mg/L during this period.
• Option B: May 8 - 24. The graph shows that the dissolved oxygen is above 3 mg/L during this period.
• Option C: May 1 - 7. The graph shows that the dissolved oxygen is below 3 mg/L during this period.
• Option D: May 25 - 27. The graph shows that the dissolved oxygen is below 3 mg/L during this period.

Answer:

B. May 8 - 24