Governtment and politics 1.4.2 cst test

When a spring is compressed, the energy changes from kinetic to potential. which best describes what is causing this change?

Design techniques and materials that reduce the negative environmental impact of a structure are referred to as

In water, a strong acid will break down into its component parts. a. completely b. partly c. never in water, a weak base will break down into its component parts. a. completely b. partly c. never