Research designed to answer a specific question or to solve a practical problem is the goal of

How many miles of calcium oxide will be produced when 1.6 miles of iron (iii) oxide react with calcium phosphate

Element before carbon on the periodic table

Consider a culture medium on which only gram-positive organisms such as staphylococcus aureus colonies can grow due to an elevated nacl level. a yellow halo surrounds the growth, indicating the bacterium fermented a sugar in the medium, decreasing the ph as a result and changing the color of a ph indicator chemical. this type of medium would be referred to as a differential and enrichment culture.