Why is oxygen in the atmosphere such an important natural resource for humans and animals?

Explain the side effects of cancer treatments

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.

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