This sentence is a simple sentence, even though it has 'and'.
I think the answer is mood
The underlined subject of the sentence the skyscraper that was built last year is a noun phrase.When determining the type of phrase, you first need to find its center, of the most prominent word. Here, the center is skyscraper, which is a noun, which means that the whole phrase is a noun phrase.
Technology can greatly advance our knowledge in sciences, such as making the medical process more effective and speeding it up.
D. Shells
You can ignore all of the words after of until the verb (of marine mollusks)
So it's just shells are taken...
