The aspect of of instruments that improved during the Romantic period was the valves. The correct answer is D, valves.
Answer:
Can you please elaborate more on your question?
Explanation:
You simply hold your mouse over the answer and go from the start of te answer to the end, then right click and after that, click "Copy"
If you wanted to create a blurred background effect when taking a portrait, then it is a good idea to include more back ground in your picture.
Figure-ground Reversal should be the answer lmk if i’m wrong
