How many grams are there in 2.30x1024 atoms of sikver

In the following diagram, four different index fossils are labeled: which of the labeled fossils comes from the oldest organism? a b c d

What are some of the impacts of humans on the earth?

Technology has affected regional settlement patterns in what ways? choose all that apply. climatic improvement strategies have improved crop productivity. mechanized agricultural methods have improved agricultural productivity. participation in the global economy has increased urbanization. population shifts from urban to rural areas has increased as a result of petroleum production. settlement areas have increased as a result of improved water storage and delivery systems.