Kelly is walking on the beach when she finds an interesting rock. She picks it up, examines it, and wonders what type of rock it is and how the rock was formed. What type of rock did Kelly find and how you can tell? Describe how this type of rock is formed.

Needed fast 15 points the process of natural selection favors certain characteristics in organisms, while it selects against other characteristics. what would happen if there was zero variation between all of the organisms on earth? a. organisms would evolve to increase variety b. natural selection would operate faster c. less food would be available d. evolution through natural selection would not occur

One of the main reasons societies settled along rivers in the neolithic era was because a) the village elders demanded it. b) the land there was more valuable. c) it was more safe and secure there. d) it provided irrigation for farming.

What is the pattern of urbanisation around the word?