Whixh two actuons would most likely lead to aj i crease of carbon dioxide levels in the atmosphere

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.

What are some possible short and long term medical concerns for crew members on longer space exploration trips

2. given that most biochemical (other than coal) rocks react with hydrochloric acid, what does that tell you about organisms?