A person wants to redesign a large room in a house to have less echoing of sound and more sunlight. Which design solution will best match the persons needs? (A.) Hang curtains over the windows that will transmit sound waves and absorb light waves.

(B.) add pillows to the furniture that will reflect sound waves and refract light waves.

(C.) Place a thick white carpet on the floor that will absorb sound waves and reflect light waves.

(D.) Add a large mirror on the wall that will refract sound waves and reflect light waves.

Ihave a density of 1.61g/cm^3 and a mass of 28g. find the missing value

This is the number of complete movements of a wave per second.

Ineed this now one scientist feels that the changes in global climatic patterns may be good for the health of the biosphere. another scientist feels that sharp changes in climatic patterns could result in the extinction of the biosphere. which of these is the most likely reason the two scientists gave conflicting opinions on the impact of changes in the global climatic pattern? they do not have enough knowledge on the topic. they did not discuss the issue among themselves. they believe conflicting opinion strengthens science. they study different areas of science and have different scientific focuses.