According to piaget, people are first able to reason abstractly and think hypothetically during the stage.

An atom of element a has 73 protons. what would the element's atomic number be?

The u.s. intervened in korea and vietnam to stop the spread of

Which of these best describes why georgia was important to united states during world war i? a)georgia made money by selling cotton and wood to europe.b)more soldiers came from georgia than from any other state.c)many white planters volunteered to serve in the war effort.d)the state had many federal installations and training camps