Kirchhoff's law of thermal radiation.In heat transfer, Kirchhoff's law of thermal radiation refers to wavelength-specific radiative emission and absorption by a material body in thermodynamic equilibrium, including radiative exchange equilibrium. A body at temperature T radiates electromagnetic energy.
A is the answer according to my notes
Hurricanes begin as tropical storms over the warm moist waters of the Atlantic and Pacific Oceans near the equator, usually. As the moisture evaporates it rises until enormous amounts of heated moist air are twisted high in the atmosphere.
<span>The answer is A. high pressure. The fusion of two deuterium nuclei can only be done with high temperature and also highpressure to prevent electrostatic repulsion of the proton. The successful combination of the deuterium then creates helium as it all combines.
Source: Objective Pre-Engineering Physics, Objective Questions with a Glossary of Knowledge wrote by Shobhana Sharma/ Google books </span>
