Which words in the sentence are the adverb clause?
our neighbor henry watered the plants on our back porch while we took a family vacation
a. our back porch while we
b. the plants on our back porch
c. while we took a family vacation
d. our neighbor henry watered.

The answer is C because it can't be a or. D is a prepositional phrase not a clause. the answer would then be C answering the question of when Henry watered the plants.

Which statements describe the relationship of earth and its moon? check all that apply.the moon orbits earth following a nearly circular path.the gravitational pull of earth on the moon is parallel to the velocity of the moon.the moon orbits earth in 1 earth day.the same face of the moon always points toward earth.the moon’s orbit is the result of the interaction between the moon’s inertia and the gravitational force from earth