Respuesta :
The direct object which are nouns upon which an action is performed in the given sentence is postcard.
- Direct object may be described as recepient of an action(verb); usually a noun.
Tonya mailed her brother a postcard from Australia :
- Tonya here is the subject
- Mailed is the verb (action performed by Tonya)
- The noun upon which the action was performed is POSTCARD (item mailed by Tonya).
Therefore, the direct object in the sentence is POSTCARD.
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