Part one: Multiple choices 1) A person sitting in the compartment of moving train is:
a) in the state of rest with respect to surroundings of the compartment.
b) in the state of motion with respect to surroundings of the compartment,
c) In the state of rest with respect to surrounding outside of the compartment​

terd muffin is the correct answer

he made 11 calls in one day

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 =