What are the estimated percentages of innovation and diffusion responsible for bringing cultural items to a society?

A) 90% innovation; 10% diffusion
B) 60% innovation; 40% diffusion
C) 40% innovation: 60% diffusion
D) 10% innovation; 90% diffusion


D) 10% innovation; 90% diffusion

Environmental & Atmospheric Sciences

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Which of the following statements helps to explain why northern latitudes are cooler than latitudes farther south even though they experience 24 hours of sunlight on June 22 each year?

A. Solar energy is used to melt frozen soil in northern latitudes. B. Increased cloud cover absorbs solar energy in northern latitudes. C. Most of the sun's energy is absorbed by snow and ice in northern latitudes. D. Solar energy is spread over a smaller area in northern latitudes.

Environmental & Atmospheric Sciences

The material in Earth's inner core is ____________________, while the outer core is

____________________. Fill in the blank(s) with the appropriate word(s).

Environmental & Atmospheric Sciences

The diagram below depicts the global

A. sulfur cycle. B. carbon cycle. C. titanium cycle. D. nitrogen cycle.

Environmental & Atmospheric Sciences

Where is there no deep scattering layer present?

A) Temperate oceans B) Tropical oceans C) Arctic oceans D) All oceans have a deep scattering layer

Environmental & Atmospheric Sciences