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Avocados (Grade 2)

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Avocados

The avocado is a delicious fruit. Once you get past the rough outer skin, you find a smooth, green filling. It's used on sandwiches and in guacamole. There's just one problem with an avocado: it turns brown quickly.

When you cut open an avocado, you expose it to the air. This causes a special enzyme in the avocado to react. Mere minutes after you cut open the avocado, the beautiful green inside is a slimy, ugly brown.

So what can you do to keep an avocado from turning brown? With bananas and apples, you can add a bit of lemon juice to keep them looking with a fresh. However, that doesn't work with an avocado. Scientists and chefs around the world have tried to find a way to make avocados last longer when cut. And what have they found? Nothing works!

So if you decide you want some fresh guacamole or a slice of avocado for your sandwich, go ahead and cut open an avocado. Then eat it quickly so you can enjoy it before it turns brown!
1. 
An avocado is a vegetable.
  1. True
  2. False
2. 
What is the problem with avocados?
  1. They are mushy.
  2. They turn brown.
  3. They are green.
  4. They ripen fast.
3. 
What causes the avocado to turn brown?
  1. Bugs
  2. Air
  3. Lemons
  4. Dust
4. 
What can you do to keep an avocado from turning brown?
  1. Cover it with lemon juice
  2. Freeze it
  3. Wrap it in plastic wrap
  4. Nothing
5. 
Based on the passage, what is an enzyme?
  1. A special type of brown coloring
  2. A substance that causes a reaction
  3. The inside of an avocado
  4. The seed of a fruit

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