Which of the following has contributed MOST to the rise in global temperatures in modern human history?

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.

Where are the strongest jet streams located?

During convection, less dense fluid rises and denser fluid sinks.