Which of the following is true? A. The vibrations on a guitar are an example of a transverse wave.
B. Ultrasound is a transverse wave.
C. Waves with compression and refractions are transverse waves.
D. The sound of a violin is a transverse wave.

Its either A. Or C cause ive had a question like this before So Im sure But if not Then Im so sorry

the higher the current the higher the mag field around it the higher the influence on the compass

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 =