. Question 11
1 pts
Cory is riding his bicycle directly east. In 2.0 minutes, he covers 1100 meters of distance. What is
his velocity?
a. 11 m/s
b. 9.2 m/s
c. 550 m/s
d. -9.2 m/s

its c i just checked it

luster is not a good characteristic to use by itself because luster is the property of minerals that indicates how much the surface of a mineral reflects light. the luster of a mineral is affected by the brilliance of the light used to observe the mineral surface.

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 =

365.25 earth days are in the year of a light year