Yes
Yes.
Isaac Newton invented the cat flap.
if you are asking how invented the cat flap then sir Issac newton invted it
According to Wikipedia, there is uncertainty as to whether Sir Isaac Newton did invent the cat flap (British English first for once in honour of Sir Isaac) or kitty door. See: http://en.wikipedia.org/wiki/Cat_flap#History
he ivented it in 1683 i think
Sir Isaac Newton wanted to invent cause pablo the putty cat told him to blow up china.
Answer:Yes a cat can have a cat-flap but the cat will most likely not use it.
Isaac Newton did not invent the newton metre, it was named after and in honour of him.
Yes and no.
no
A cat flap is at the bottom of a door and it is used for cats to get in and out of the house instead of having to open the door every time.
yes he did