Question

Exercise can increase the muscles’ ability to store energy. Identify the direct object in the sentence.Exercise can increase the muscles’ ability to store energy. Identify the direct object in the sentence.

Answer 1

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 2

The direct object in the sentence is:

the muscles’ ability to store energy

Step-by-step explanation:

The direct object is the concept used to identify the beneficiary part of the verb in the sentence. In other words, the object or noun modified by the action. In our case, the muscles' ability to store energy is one object. Because we are not talking about the muscles. But their ability to store energy. Therefore, the object is a really small one that is expressed with many words.