Fill in the blanks.
{"id":23006,"questions":[{"type":"fill-in-blanks","id":"268","dataJson":{"prompt":"Fill in the blanks.","options":{"energy":[{"key":"velocity","label":"velocity","value":"velocity"},{"key":"energy","label":"energy","value":"energy"}],"radiation":[{"key":"radiation","label":"radiation","value":"radiation"},{"key":"light","label":"light","value":"light"}],"electromagnetic":[{"key":"magnetic","label":"magnetic","value":"magnetic"},{"key":"electromagnetic","label":"electromagnetic","value":"electromagnetic"}]},"feedback":"","template":"An atom emits electromagnetic {{radiation}} when an electron returns to a lower energy level. By absorbing or emitting {{electromagnetic}} radiation, electrons can change {{energy}} levels.","question_type":1,"validResponse":{"energy":"energy","radiation":"radiation","electromagnetic":"electromagnetic"},"fileboyImageId":"fdbb2899-bccc-48ab-8f54-38632755cb97"}}]}
Fill in the blanks.
Select the missing words in the text.