A laboratory analysis of vanillin, the flavoring agent in vanilla, determined the mass percent composition: c, 63. 15%; h, 5. 30%; o, 31. 55%. Determine the empirical formula of vanillin.

Arabbit is heterozygous for fur color. black fur is dominant (b) and brown fur is recessive (b). which describes the rabbit’s genotype and phenotype? genotype: black fur phenotype: bb genotype: black fur phenotype: bb genotype: bb phenotype: black fur genotype: bb phenotype: black fur give the brainliest !

What should you adjust to make your hard hat fit properly

Summarize the work of famous environmental scientists of the past.