Which statement is not necessarily true for two objects in thermal equilibrium?

Responses

The objects are made of tiny particles that are moving at the same rate.

The objects are made of tiny particles that are moving at the same rate.

The objects have the same temperature.

The objects have the same temperature.

The objects' temperatures have both changed by the same amount.

The objects' temperatures have both changed by the same amount.

The objects' temperatures are not changing.

The objects' temperatures are not changing.

The objects' temperatures have both changed by the same amount.