Answer:
3)cones but not rods
Explanation:
Cones help in color vision
Rods help in light vision
The aspect of of instruments that improved during the Romantic period was the valves. The correct answer is D, valves.
Answer: I believe it's the fact it used and does still display music videos on tv for "free", or the fact it streamed the most famous songs on it so people could go to their channel and listen to music / radio (but with music videos) at home.
Explanation:
False, Dark Rooms have plenty of hazards and need a trained individual to use them correctly and safely.
Answer:
a. to draw the composition on wood panels.
Explanation: