Ski mountain sells lift tickets. total costski mountain sale packagesnumber of liftticketspackagea3package b51package c12package d16$30$60$120$120which packages have the same ratio of lift tickets to cost? packages a and dpackages a and cpackages b and cpackages c and dsave and exit

The phylogenetic tree illustrates the relationship between humans and our closest living relatives. the tree was based on biochemical comparisons, including dna and amino acid sequences. according to the biomolecular data, we could infer that a) the four organisms do not have a common ancestor. b) humans are more closely related to chimps than any other apes. c) chimps are more closely related to gorillas than they are to humans. eliminate d) there is no evidence if any relationship between the four branches on the tree.

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.

Why do oceanic plates tend to subduction when colliding with a continental plate