Sydneyâs coolest months are June to August when average temperatures drop between 8.8 - 17Â°C (47.8 - 62.6Â°F). Sydneyâs rainfall is generally highest in June, with an average of 132 mm (5.2â), while July is the coolest month when average daytime temperatures reach just 13Â°C (55Â°F). Spring (September â November)
The human ear responds to sounds with frequencies in the range from 20 Hz to 20,000 Hz. This is called the audible range of the human ear.
-The photons need to have certain freq to provide this energy in a 1 to 1 interaction. -E=hf freq relates to energy. -Energy levels are the same of particular element. - All energy of photons absorbed to make the jump will be equal to the atoms of a particular element.