Raccoons prefer woody areas and are omnivores, which means that they eat meat and plant materials. they are nocturnal, meaning that they are active at night. they are often eaten by mountain lions, gray wolves, and coyotes. which of the following is a limiting factor for a raccoon population?
shortened summer days
deforestation
claw length
breeding season

American scientist, linus pauling, was one of many scientists racing to discover the molecular structure of dna. pauling initially thought that the molecule was a triple helix. later, james watson and francis crick unveiled their double helix model, which turned out to be an accurate description of the molecule's shape. why did watson and crick succeed when pauling failed?