Which of these is a compound?
Oo
O CO2
O 0,
O Co

Liquid water turns into water vapor at which step in the water cycle

What is a cordon and where is it found

Which statement best describes the relationship between an allele and a gene? question 1 options: an allele is a variation of a gene that can be expressed as a phenotype. an allele is the part of a gene that attaches to messenger rna molecules. an allele is a segment of a dna molecule that controls replication of a gene.