Which culture developed a place value for zero?

"“forty or fifty years ago, many people thought that simply transferring technologies from industrialized to developing countries would close the technology gap. now we know that technologies developed in industrialized countries may not be suitable for use in other environments. they may require a particular type of infrastructure to operate. they may need specialized parts or knowledge to mend when they break we now understand that innovative capacity must be built in different ways." - united nations secretary-general ban ki-moon based on the secretary general's comments, which of these would be most important for a country to improve? a) native literature b) transportation grid c) cultural traditions d) construction styles

Small plane just crashed in your neighborhood. you take a fire extinguisher and blankets to the scene, then stand back and silently gather with others on the scene when you realize there is nothing you can do to . in this situation, gathering quietly with others out of reverence and respect is an example of coping.

What are three voluntary behaviors that is not controlled by results