If you're a more massive MS star, why do you tend to be more lumninous than less massive MS stars?

a
Because if you have more mass, you have more gravity which increases the amount of energy you produce in your core.
b
Because if you have more mass, you must have a bigger radius to keep your surface so hot.
c
Because if you have more mass, you have to have more temperature to keep your surface blue.
d
Because if you have more mass, you have to have more luminosity to keep your temperature so high.

it breaks and dirupture other materials and other sencews from the bottom

the answer would most likely be c, because if it's a comical piece of information, it may likely not be true, if it's a site that allows anybody to edit the content, it could mean a five year old is typing the info, and if it's a tv show produced by a celeb, it may have a biased opinion.

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 =