Which of these properties of an iron nail is a physical property? A. does not burn when a flame is applied
B. reacts with hydrochloric acid to release hydrogen gas
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C. composed of only one piece instead of fragments
D. rusts

a boiling water reactor does not boil the water. a pressurized water reactor boils the water faster. a pressurized water reactor is heated directly by the core. a pressurized water reactor does not use fission.

the answer is b & c i believe : )

the transfer of heat by electromagnetic radiation is called thermal radiation . it is usually carried out by electromagnetic waves in an energy range just below the visible spectrum, which is the infrared range.

so the answer would be radiation.

: )