How should measurements of car 2 be taken to accurately measure the distance it travels? Be sure to include where the meter stick should be placed PLEASE HELP WILL GIVE YOU 5 STARS AND BRANLIEST ANSWER

the answer is b

explanation:

answera compound;

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 =