A witness testifies in front of the jury that he saw the defendant enter the convenience store about one minute before he heard gun shots. What type of evidence is this

"“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

Some european explorers sailed west looking for the passage to india

Which states universal prekindergarten has been most effective in preparing children for school?