Only answer this if you also have a cat on your lap!
What colour cat is it? He or she kitty?

What did not occur in the proterozoic eon a)the oxygen levels increase greatly in the atmosphere,b)the emergence of the eukarya , c)muti cella’s eukaryotic organisms began to diversify,d)anaerobic bacteria kept thriving with more oxygen

Which of the following produces carbon dioxide? a. plants b. animals c. decomposers d. all of the above

How does the human body lever work?