Respuesta :

Answer:

they are green.

Explanation:

The thing that The Incredible Hulk, a Granny Smith apple, spinach, and an emerald all have in common is the fact that they are all green.

The Incredible Hulk is simply a superhero that has a green complexion.

Also, an apple is green. Furthermore, a spinach is a leafy green vegetable. An emerald is green too. Therefore, it can be deduced that the common thing to all of them is green.

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