The increase in volume of a material when particle motion increases is known as

Thermal expansion.

Explanation:

Conduction involves the transfer of electric charge or thermal energy due to the movement of particles. When the conduction relates to electric charge, it is known as electrical conduction while when it relates to thermal energy, it is known as heat conduction.

In the process of heat conduction, thermal energy is usually transferred from fast moving particles to slow moving particles during the collision of these particles. Also, thermal energy is typically transferred between objects that has different degrees of temperature and materials (particles) that are directly in contact with each other but differ in their ability to accept or give up electrons.

Hence, the increase in volume of a material when particle motion increases is known as thermal expansion.

Mathematically, thermal expansion in terms of volume is given by this formula;

ΔV = αVΔT

Where;

1. a tropical dry forest carries out more rapid nutrient cycling

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explanation: