1. you must exert a force of 4.5 n on a book to slide it across a table. if you do 2.7j
of work in the process, how far have you moved the book?

Which would be the most useful source of evidence to support mcneill's contention?

Which of the following factors would not contribute to allopatric speciation? a) a population becomes geographically isolated from the parent population. b) the separated population is small, and genetic drift occurs. c) the isolated population is exposed to different selection pressures than the ancestral population. d) different mutations begin to distinguish the gene pools of the separated populations. e) gene flow between the two populations is extensive.

Is this mrna or rna need need the answer in a hurry