A mineral sample has a mass of 4.2 grams and a volume of 2 ml, what is the density of the mineral brainy?

Based on their location in the atmosphere, the layers are able to have their own special characteristics. for example, most weather occurs in the troposphere. what occurs in each of the other layers? (site 1)

What would happen if the tubing with the yellow band was placed in a beaker of distilled water?

What element is able to combine with itself and hydrogen to form large molecules ?