In the tundra, where it is very cold and windy, plants grown very low to the ground. there are no trees.

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.

Brainliest ! which would require more force to move or slow down between a bowling ball and a soccer ball? explain why?

What are some natural processes that represent physical and chemical changes?