How are MRIs, CAT scans, and camera pills similar? They all use radio waves.
They all rely on computers for image processing.
They all are recent developments in nanotechnology.
None would be possible without the discovery of X-rays.

How are MRIs, CAT scans, and camera pills similar?

They all use radio waves.

They all rely on computers for image processing. ✓

They all are recent developments in nanotechnology

.

None would be possible without the discovery of X-rays.

hope this helps

B They all rely on computers for image processing.

Explanation:

answer: 31, 5556. 952 seconds

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 =