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How Long Does It Take For A (Blank) To Decompose?

aluminum canTomorrow morning, I'm going on a reef sweep with the Palm Beach Hammerheads, a local dive club dedicated to maintaining and protecting the local beaches, reefs, and ocean. We're meeting at 7:30, and we'll be making two morning dives to clean the reefs of the debris that has been thrown, dropped, or swept into the ocean. I've never been on a reef sweep before, and I'm excited to participate. I'm also anxious to hit the water for a good cause! I'll try to take some pictures and post them this weekend.

In the spirit of cleaning the reefs, I have a short quiz for you. It tests your knowledge of how quickly (or slowly) various items decompose. See how much you know. Answers are posted below the jump.

  • An apple core:  

a. 14 days  

b. 30 days  

c. 60 days

  • Styrofoam cup:  

a. 35 years  

b. 50 years  

c. 100 years  

  • Aluminum can:  

a. 50 years  

b. 100 years  

c. 200 years 

  • Plastic bottle: 

a.  200 years

b.  300 years 

c.  450 years  

  • Monofilament fishing line: 

a. 350 years  

b. 600 years  

c. 750 years 

[Adapted from some material from Ocean Watch, who I met at OceanFest 2006!]

  1. C -- An apple core takes 2 moths to decompose.
  2. B -- A styrofoam cup takes 50 years to decompose.
  3. C -- An aluminum can takes 200 years to decompose.
  4. C -- A plastic bottle takes 450 years to decompose.
  5. B -- Monofilament line takes 600 years to decompose...plus it kills thousands of marine animals each day.

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