A, in urban areas :)
Urban areas have bigger populations than rural ones and the Rocky Mountains have terrain that is difficult to settle on
C) Cultural expressions and experiences may grow more similar across the globe. Cultural diffusion is the spread of traditions and cultural beliefs from one group to another.
A geochemical cycle that cycles material by mantle convection, subduction, and seafloor spreading
Parent rock is important in different cultures
If an astronaut has a mass of 60 kilograms, then she weighs
-- about 588.4 newtons (132.3 pounds) on Earth, and
-- about 97.4 newtons (21.9 pounds) on the Moon.
Her mass doesn't change no matter where she is, because
mass doesn't depend on the local gravity.
