Which of the following is NOT a physical change? A Bursting of a firecracker
B. Boiling water
C. Melting ice

Average annual precipitation and are the two major features that define the biomes on earth.

Name one similarity and one difference between the morphology of a brachiopod and a bivalve

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.