A ship hits an iceberg: some people are lost at sea
A child is lost on a snowstorm: a child is saved by modern medicine
A man invests his money badly: A family resolves to live more
A plane goes down in enemy territory: two countries agree to keep peace
I think the correct answer from the choices listed above is the third option. A clause is an expression that includes a subject and a predicate, so it performs some sort of action within a sentence. A<span> </span>clause<span> is the smallest grammatical unit. Hope this answers the question.</span>
Hook-<span>Each year, more than 100 million </span>animals <span>are killed in U.S. laboratories for biology lessons, medical training, curiosity-driven </span>experimentation<span>, and chemical, drug, food, and cosmetics </span>testing<span>. </span>
Also along the lines of global warming you could talk about environmental problems like using cleaner energy like solar panels and why we don't use more of them in places with more sun exposure like deserts that could give us more power
