Question

the speaker was delivering the speech excitingly change the voice​

Answer 1

Answer:

Thermodynamic equilibrium is an axiomatic concept of thermodynamics. It is an internal state of a single thermodynamic system, or a relation between several thermodynamic systems connected by more or less permeable or impermeable walls.

Answer 2

Answer:

Even speeches at weddings and eulogies at funerals are types of ... Even experienced speakers feel their heart thumping very excitedly indeed. ... A joke requires quite a special skill in its delivery.