Did Buddhism reject the idea of varnas and the castle system

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

What is the safest thing to do if you encountered a honey bager

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?