Determine the correct name for the compound, c3h8. in organic chemistry, this is referred to as propane.
a. tricarbon hexahydride
b. tricarbon octahydride
c. tetracarbon octahydride
d. tetracarbon hexahydride

i need the answer to this too but idk it ; -;

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 =