Human being, teeth doctors and tools
Answer: Mallets
Why? (Little confused by question but this is what I know about metal and bamboo instruments)
You have to play the with a mallet that is less dense and less hard than the material you play on like metal and bamboo
Hope this helps :D
The answer is A
The air circulated in a clockwise direction in the northern hemisphere
You would die because the radiation levels would disrupt brain waves causing heart failure, stroke, ect.
Scientist believe that the earth has a spinning core which creates a magnet for the earth