The answer is C, it has 3 parts as opposed to 2. (compound)
The direct object would have to be the muscle's ability because it answers the question "what".
e.g: Exercise can increase what? The muscle's ability.
Answer:Well, the only parts of the food web are many food chains.
Explanation:The answer is many food chains because, a food web is made out of many different food chains. A food web wouldn’t exist if food chains didn’t exist, because they rely on each other to keep their food chains the normal. Therefore, the answer is many food chains.