Who invented the pet door?

Correct answer: Isaac Newton

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What people think about it: 5 Comments
Lunar
Lunar
wow! good to know that😁
Vickylawrence85
Vickylawrence85
wow! no clue. these are getting harder.
RED.   HEAD
RED. HEAD
I. AGREE. THEY RE. GETTING. HARDER. &. HARDER
luckycatfay
luckycatfay
SQinfoNUTS, you should follow your own advice and read a book or two
SQinfoNUTS
SQinfoNUTS
Which came first Kitty convenience or science?