Question

the root astro in the word astronomy means ______. options: star, sound, carry, earth

Explanation:

The root "astro" comes from Greek and means "star". In the word "astronomy", which is the study of celestial objects, the root "astro" relates to stars. The other options: "sound" is related to roots like "phon-", "carry" to roots like "fer-", and "earth" to roots like "geo-". So the correct meaning for "astro" here is "star".

Answer:

star