Some one plzz go answer my question in my profile its for 80 POINTS

yall wanna me : )what software controls a computer’s basic functions? a. the central processor b.the bios c. the motherboard d. the operating system

This is about this site if you answer enough questions can you get real money or not

Which control would most likely achieve the greatest reduction of noise pollution? limiting airplane traffic insulating buildings and homes reducing road and highway traffic using headphones to listen to music building noise barriers beside highways