5. From the video "How Sound Works (In Rooms)", what are the two acoustical tools that are used to reduce flat surface reflections and make a room sound more natural? 1.Reflectors
2.Diffusers
3.Absorbers
4.Amplifiers

hello,

answer: a federal government has final authority on interstate/inter provincial  and international affairs, a confederation is one where the central/national government or authority is governing body what does not have final say over the same matters. hopefully this and i will try again if you don't like this answer : )

best of luck!

because he is that the right

states grant a variety of local governments power to meet residents’ needs (source: apex learning). hope this !