Still need help if so answer is three i just took the same ia test
It is referred to as the term or the Italian volta
Answer:
The answer would be luc, lum, lun & lus. Since they all came from Latin lux, lucis & lume which means all light. Luminary, to bring light to the eye or luminescence which means a giving out of light by a material not coming from heat. Lucent means to produce light. So any word that has those Latin roots can be an invention's name.
Explanation: