you are buying a carpet to cover a room that measures 38ft by 40ft. the carpet cost 18$/square. How much will it cost in yards?

harry byrd declared organized resistance by southern states would prevent racial integration.

he made 11 calls in one day

it is given that trillions of microbes make up to 1% to 3% of the body mass.

let's take average of this percentage: 2%

consider the average mass of the human body as 70 kg.

then, trillions of microbes would have mass  

therefore, 100 trillion micro-organisms would weigh:

this is an approximate value and could change depending on the mass of the human body and percentage of the microbes present in it.

average mass per microorganism =