Based on the population pyramid above, which of the following will pose the greatest demographic challenge to china beginning in 2029?

If an atom has 35 protons in the uncles , how many elements will it have orbiting the nucleus

According to this chart, which country is likely to have the most economic freedom with regards to entrepreneurship?

2. explain the two different types of egyptian calendars. 3. what architectural advances did the ancient egyptians make? what impact do these advances have on our lives today? 4. what did egyptian art usually depict? how does this compare to forms of art that we see today? 5. what all was found in king tut’s tomb?