Here are three ways to combine the sentences:
1) <span>Icy winds make the continent seen even colder, blowing across Antarctica throughout the year.
2)</span><span>Icy winds make the continent seen even colder by blowing across Antarctica throughout the year.
3) </span><span>Icy winds make the continent seen even colder because they blow across Antarctica throughout the year.</span><span />
The author used verbal irony as a literary device.
Answer: gather the materials needed to make a windsock
Explanation:
In order for Dora to achieve her goal of teaching a group of her peers how to make a windsock, it's vital for her to gather the materials that'll be needed to make a windsock. This is to enable her prepare and be ready.
In order to prepare, it's not important for her to wait for a windy day or find a good place to hang a windsock. Also, asking her peers what their favorite colors are isn't a good way to prepare.
Therefore, the correct option is D.