Select the letter of the term that identifies the function of the

phrase in parentheses in the following sentence:
(Incorporating potato starch into lipsticks and cosmetic creams)
helps hold them together.
a. adjective
b. adverb f. direct object
c. subject g. indirect object
d. predicate nominative h. appositive

f. direct object

The function of the phrase "Incorporating potato starch into lipsticks and cosmetic creams" in the sentence "helps hold them together" is an appositive (h).