A dolphin uses echo location to find fish. The fish are 22.5m away. a- What is the speed of sound in water if it is 0.03s between the dolphin emitting and
receiving the sound wave?

yall pls help me out here I got an exam tomorrow

no

sodium is solid at rt

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 =