1. no.

2. yes

*run-on:

1. yes (after help either period or semi-colon)

*sentence:

1. yes

2. yes

1. Stores were crowded with holiday shoppers. no

2. Turning into the radio station during a tornando. yes

*is this a run-on?

1. We need help this table is too heavy. yes

*is this a sentence?

1. Her flight leaves at midnight. yes

2. The American flag is passing, we need to stand.

I would put a semicolon between passing and we:

The American flag is passing; we need to stand.

Or Since the American flag is passing, we need to stand.

Hope that helps!

2) fragment–Who was turning on the radio station?

1) Yes. We need help. This table is too heavy.

We need help because this table is too heavy.

1) yes

2) run-on sentences. The American flag is passing. We need to stand.