1. The breadth of the Gulf Stream is:

80 km.
50 mi.
264,000 ft.

2. The average speed of the Gulf Stream is:

4 mph
6.4 km per hr
21,120 ft per hr

3. The largest of the green algae grows to a length of:

91 cm
3 ft
37 in

4. The diameter of the smallest type of jellyfish is:

1/8 in - 3 in
.32 cm - 7.62 cm
3.2 mm - 76.2 mm

5. The size of starfish ranges from:

1/2 in - 36 in
1.3 cm - 90 cm
13 mm = 900 mm

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Good luck!