Most street lights are made from one of two elements—mercury or sodium. explain why astronomers prefer that cities use sodium street lights instead of mercury street lights.

Astronomers prefer that cities use sodium street lights because the emission spectrum of sodium produces fewer lines than the emission spectrum of mercury -ally

pla·gia·rism

/ˈplājəˌrizəm/

learn to pronounce

noun

the practice of taking someone else's work or ideas and passing them off as one's own.

explanation:

have a great day because if you dont you and i will be sad