As Rene Descartes - french mathematician of Cartesian graphs - said "Cogito ergo sum". I think, therefore I am.
This can be adapted to I think therefore I am, I think ... as a "geeky joke".
Answer:
It's been all great how about u.
It means every thing is made out of Atoms and some things are element componds so elements are the "backbone" of the compounds.
Positive acceleration . . .
Acceleration in the direction you decided to call the positive direction
when you started working on the problem.
Negative acceleration . . .
Acceleration in the direction opposite to the one you decided to call
the positive direction when you started working on the problem.
An altitude of 1,000 feet is the correct answer.