The nose is what to the mouth

According to the theory of punctuated equilibrium, at what rate does speciation occur? species change depending on the rate of natural selection. after periods of stasis, new species evolve relatively rapidly. species change slowly and eventually form new species. some species change quickly and others change slowly to balance the overall rate.

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

Paint and solvents pose no potential hazard to human health. select the best answer from the choices provided t f