Which of the following is used to measure the distance to stars? a. parallax b. red-shift measurement c. a formula involving apparent magnitude and absolute magnitude d. all of these

Liquid water turns into water vapor at which step in the water cycle? a. precipitation o b. water run off c. evaporation d. condensation

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

What processes would you expect to be key in the production of yogurt ?