Write the subordinate conjunctions of each sentences

1-We drove home carefully,because it was snowing. sub is( because)

2-We had classes until noon although the weather was bad. sub(until, although)

3-If the snow is deep enough, there will be no school tomorrow.sub (if,enough)

4-School is closed only when the snow is deep.sub(when)

5-Where Lisa and Marco live, there are usually two deep snows every year.sub(where)

2 and 3 only have one subordinate conjunction in each.

The rest are correct.

In number 2 although is a subordinate and until because in list they include both

so which one I choose

Until is a preposition in this sentence. It begins the phrase "until noon."

To find the subordinate conjunctions in each sentence, you can look for words that introduce subordinate clauses. Here are the subordinate conjunctions in each sentence:

1. "because"
- Sentence: We drove home carefully because it was snowing.

2. "until", "although"
- Sentence: We had classes until noon although the weather was bad.

3. "If"
- Sentence: If the snow is deep enough, there will be no school tomorrow.

4. "when"
- Sentence: School is closed only when the snow is deep.

5. "Where"
- Sentence: Where Lisa and Marco live, there are usually two deep snows every year.