500 J introduced to a system caused the temperature of the system to increase by 2 K; thus, the heat capacity is 250 J/K. If the system consists of a single material with a mass of 500 g, the specific heat capacity of that material is 500 J/K/kg.

Particulates in engine oil can abrade moving parts.

These uplands are still growing, and comparatively young, but their nature points to past sublineation of thick accumulations of sediment, from abundant sources, and therefore active volcanicity

This valuable manuscript was copied Anno Hegirae 1100 (a.d. 1688).