D. a subject. The sentence would go so<span>mething like this: Sally threw threw ball.</span>
Oxygen is one product of photosynthesis.
Water is needed for photosynthesis.
Carbon dioxide is needed for photosynthesis.
Chlorophyll makes the plant green and absorbs the sunlight.
That leaves oxygen.
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Answer:
<u>Walking </u>is the verb
<u>Favorite Activity</u> is the Subject
since it was repeating the sentence I think the first sentence was the object.
Explanation:
