Anyone i want to be good at science

The Mitochondria is the powerhouse of the cell

It’s funny how we compulsively wash our hands, spray our countertops and grimace when someone sneezes near us, when, in fact, each and every one of us is a walking petri dish! All the bacteria living inside you could fill a half-gallon jug — there are 10 times more bacterial cells in your body than human cells

answer; first blank(1); 30% two(2); salmonella; i believe this is correct; //good luck;

answer; validity;