What does it mean to say that an object is opaque? O A. Light will not transmit through it.
O B. It absorbs all visible light.
OC. It reflects all visible light.
OD. Light will transmit through it.
SUBMI

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Explanation:

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it was given as a lesson and guide for prayer.

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 =