Select the correct answer. Tetanus, often called lockjaw, is a serious disease that can arise from an infection caused by a puncture wound. A tetanus
vaccine became popular in the 1940s when it was used to protect soldiers during World War II. The chart shows tetanus
cases in the United States since 1947.

space exploration has led to the development and technological improvement of many everyday items. (if this answer is wrong i will find the right answer) : )

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.

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