As the car falls, it loses height and gains velocity. What is the kinetic energy of the car when it has fallen 500 meters? What is its velocity at that point?

b. acid is the correct answer @jayxboof all social media

acid : acids are those which accepts an electron-pairs.

base : bases are those which donates ab electron-pairs.

alkali : it is a base that dissolves in water. it is basically a base and the ph greater than 7.

hydroxide ion : it is a poly-atomic ion which is negatively charged.

space exploration has led to the development and technological improvement of many everyday items. (if this answer is wrong i will find the right answer) : )