What happens when a pebble lying on the ground is kicked? A. Energy is completely lost.

B. Energy is created.

C. Energy is destroyed.

D. Energy is transferred.

I'm 100% sure it's D. but if it isn't, sorry :(

A

Explanation:

as the power of ur shot makes the energy completely lost

i think the answer is a, hope this : )

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 =