According to the data table provided below, what will happen to sound waves traveling through steel when they reach air? Substance Speed of Density at Sound (m/s) 25°C (kg/m) Air 346 13 Water 1,498 1,000 Steel 5,200 8,050 They will not change They will speed up The will stop The will slow down ch​

Can someone me with questions 15 to 17 plz.

The table describes how some substances were formed substance 19 description formed by boiling pure water formed by combining three hydrogen atoms to every nitrogen atom formed by adding 5 g of sugar to 1 l of water formed by compressing carbon under high pressure based on the given descriptions, which substance is most likely a mixture?

What state of matter is ice a. liquid b. element c. solid d. gas