Carboxylic acid...........
Answer:
Aluminum
Explanation:
Aluminum is the 13 element on the periodic table
D - it is the number of protons in the nucleus
Explanation:
Stars aren't visible during the sunlit hours of daytime because the light-scattering properties of our atmosphere spread sunlight across the sky. Seeing the dim light of a distant star in the blanket of photons from our Sun becomes as difficult as spotting a single snowflake in a blizzard. (put in your own words this is from online)