By what fraction will the frequencies produced by a wind instrument change when air temperature goes from 10.0ºc to 30.0ºc? that is, find the ratio of the frequencies at those temperatures.

sry but any answer choices

why is arctic sea ice important? arctic sea ice keeps the polar regions cool and moderate global climate. sea ice has a bright surface; 80 percent of the sunlight that strikes it is reflected back into space. as sea ice melts in the summer, it exposes the dark ocean surface.