4. How do minerals become part of the soil? A. Minerals must be added to the soil by man.
B. Minerals come from rocks.
C. Minerals come from decayed matter that was once alive

An exothermic reaction is conducted in an insulated calorimeter filled with water. the calorimeter is then sealed so that there is no heat exchanged between the contents of the container and the surrounding air. which of the following statements is true about the reaction?

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

How are isotopes of the same chemical element alike? how are they different?