The bar graph shows the difference in a city’s rainfall from the historical average. Find the sum of the differences of the year. Writer your answer as a decimal.

Consider darwin's first writings on the theory of natural selection. an important point of darwin's essay on the principle of population, written in 1798, was a peer's observation that in nature plants and animals produce far more offspring than can survive, this observation can be attributed to a) charles lyell. b) thomas malthus. c) jean-baptiste lamarck. d) johann friedrich meckel.

Explain how scientists use geologic time to determine the age of landforms.

What is the starting point in replication called