Design a method to separate a mixture of
sugar, sand, and bits of iron.

Magnet, water, coffee filter.

Explanation:

The magnet will pick up the iron filings, and the water will dissolve the sugar and leave the sand. Next add the sand to a coffee filter and squeeze the sugar-water liquid. You have now successfully separated each specimen.  

post-impressionism is a predominantly french art movement that developed roughly between 1886 and 1905, from the last impressionist exhibition to the birth of fauvism. post-impressionism emerged as a reaction against impressionists' concern for the naturalistic depiction of light and colour.

explanation:

a) carbon, hydrogen

b) carbon, hydrogen, oxygen, nitrogen

c) carbon, hydrogen, oxygen, nitrogen, phosphorus

d) sugar

e) amino acid

f) nucleotide