8.
in which sentence is the word climbing a gerund?

the explorers were climbing up the steeply sloping mountain.

the children enjoyed climbing on the playground equipment.

mr. herrera planted climbing ivy on the side of his house.

Mr. Herrera planted climbing ivy on the side of his house. Is a gerund, a gerund is when a verb is used as a noun instead of like a verb, climbing ivy is a type of plant so it is a noun, where as in the other sentences climbing is all used as an action.

The answer is "The explorers were climbing up the steeply sloping mountain."

sorry i came here to thank the other guy

Explanation: