Select all the correct answers. What are two reasons that the global death rate has decreased? 1) There have been fewer new diseases in the last few decades. 2) Food has been made available to more people around the world. 3)Medical progress has saved many lives in the last few decades. 4)Human mishaps have reduced significantly in recent times.

Why does physical weathering speed up the processes of chemical weathering? a) physical weathering requires abundant water, as does chemical weathering. b) physical weathering produces fresh surfaces for chemical weathering to attack. c) chemical weathering can occur only on small surfaces, not large ones. d) chemical weathering requires salt, which is provided by salt wedging.

Nwhat way does renewable energy differ from nonrenewable energy?

Why did the united states lead a coalition to invade iraq in 1991? o a. there was a fundamentalist revolution in iraq. o b. iraq had invaded iran. o c. an oil embargo had started in the middle east, o d. iraq had invaded kuwait.