In which of the following sentences is the phrase underlined? I helped my younger brother build a sand castle at the beach.
My brother dug a giant hole using only a small pail and shovel.
After we built a sand castle, we jumped into the ocean for a swim.
At high tide, our sand castle was washed away by the waves.

the answer is a.

explanation:

the clause "looking toward the south" modifies "a funnel cloud." it's not really the cloud that's "looking," but grammatically, that clause is modifying the cloud.

answer 2 is the best one

(2.)

the correct answer is d. log.

the object of a preposition refers to a noun or a pronoun regulated by a preposition, normally the noun that comes after the preposition is told the preposition ‘s object.