A soft lump of clay has water run on top of it. After a long while, the water is turned off and allowed to dry. There is no clay left; instead, there are small pebbles and other types of components left on the table. Which natural process is this modeling? chemical weathering
physical weathering
disposition
erosion

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.

In iceland, the mid atlantic ridge runs through the center of the contry. what can you conclude about the apperence of iceland many thousands of years from now?

Name the part of the the brain labeled "e".