Velocity vs. Time 25
20
15
Velocity (m/s)
10
5
0
0
1.0 2.0 3.0
4.0 5.0 6.0 7.0 8.0 9.0 10.0
Time (s)

(c) Identify the physical quantity represented by the shaded area on the graph. Justify
your reasoning.

it breaks and dirupture other materials and other sencews from the bottom

hi there!

out of the two, (b) precision would be more reasonable.   however, both a and b could be pretty reasonable.

-awesomerepublic   : )

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 =