A. it bends when light reaches an end of a barrier it will bend.
It's acquired. Innate means you have it at birth, acquired means you picked it up. Obviously babies can't speak ;) so it's acquired.
Answer: Cumulus
Explanation: Most large cloud fronts are made up of cumulus clouds, large storm clouds are cumulonimbus clouds.
a. 27
after that all you need to do is use the work formula as you will be able to acheive results
It depends on what that "certain amount" is.