Yes. You can mail just about anything. When you take your item to the post office they will ask you if you have anything perishable, liquid, etc. If you are worried about the chocolate melting you can get cold containers to send the item in. Then you'll want to ship it international express to get it there faster.
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postage for a postcard sent from Australia to the U.S. costs AU$1.40.
The US postal service charges about $1,00 for a package with insured valued of $200 for an air mail package being sent to Australia. There are no fees for packages under $200.
Yes it is. So lets say you were in Australia and you sent something to your niece in Ireland.
sent mail is e-mail you have sent to other e-mail addresses
You cannot. Once mail is sent it is sent.
The correct phrase is "mail you had sent earlier." "Sent" is the past participle form of the verb, and it is used with forms of "have" when forming the past perfect tense.
This depends on the weather where the chocolate is being shipped, how long the shipping takes, and how the chocolate is packaged. To prevent the chocolate from melting, it should be well insulated and preferably sent by overnight or another fast shipping method, especially in warm areas and during summer.
what sort of people were sent to Australia
Convicts were sent to Australia by England.
If you sent it normal mail then you cannot trace it.
Domestic mail is sent to an received from the same country. Mail sent from Los Angeles to New York is an example.