Asteroids are made up of metals and rocky material , while comets are made up of ice ,dust and rocky material.
The answer is true all living things are called organisms
Answer:
The concentration of the solution, 
Explanation:
The absorbance of a solution can be calculated by Beer-Lambert's law as:

Where,
A is the absorbance of the solution
ɛ is the molar absorption coefficient (
)
C is the concentration (
)
l is the path length of the cell in which sample is taken (cm)
Given,
A = 0.20
ɛ = 27400 
l = 1 cm
Applying in the above formula for the calculation of concentration as:



So , concentration is:
