when 19.05g of copper reacted with nitrogen, 20.45 g of copper nitride were produced, deducted the empirical formula of copper nitride​

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.

answer///carbon;