4? I don't know man, this made my brain hurt.
Democritus said that the atom was just a sphere.
Answer:
The two complex numbers are 
Explanation:
We have to form two complex numbers of the form

such that and d are irrational numbers and b and c are rational numbers.
We know that
are irrational numbers.
5 and 6 are rational numbers.
We put

Thus, the two complex numbers are: 
How to calcutate concentration of solution.
there is 12gram of solute in a 36 gram solution
then you take 12 divided by 24 because 36-12=24 which is youe solvent
Answer:
See explanation
Explanation:
The reaction between alcohol and acidified potassium dichromate is a redox reaction. This reaction can be used to detect a drunken driver.
Alcohols can be oxidized to aldehydes, ketones and carboxylic acids depending on the structure of the alcohol. Primary alcohols yield adehydes and carboxylic acids while secondary alcohols are oxidized to ketones.
The colour of the acidified potassium dichromate turns from orange to green when exposed to alcohols from the breath of a drunken driver.