What does the Area under a Speed-time graph represent? A. acceleration
B. average speed
C. deceleration
D. distance travelled

d. distance travelled

Explanation:

answer

that the claims meet official rules.

don't misinterpret the claims

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 =