Cindy's exercise routine consists of lifting weights every other day. while she can bench press more than her body weight, she has trouble keeping up with her friend sandra on bike rides. in a couple of sentences, explain what cindy can do in her training to increase her muscular endurance. can someone me answer this

In 2009, a flu pandemic was believed to have originated when viral transmission occurred from pig to human, thereby earning the designation, "swine flu." although pigs are thought to have been the breeding ground for the 2009 virus, sequences from bird, pig, and human viruses were all found within this newly identified virus. what is the most likely explanation of why this virus contained sequences from bird, pig, and human viruses? a) the virus was descended from a common ancestor of bird, pig, and human flu viruses. b) the infected individuals happened to be infected with all three virus types. c) related viruses can undergo genetic recombination if the rna genomes mix and match during viral assembly. d) the human was likely infected with various bacterial strains that contained all three rna viruses.

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What do scientist use to map human genome?