Ixchelt burns her tongue when she takes a sip of hot coffee from her mug. Which part of this example represents heat?
the thermal energy moving from the coffee to her tongue
the thermal energy moving from her tongue to the coffee
her coffee
her tongue

Explanation:

"The thermal energy moving from her coffee to the tongue" represent the heat.

Here coffee is at high temperature while tongue is at low temperature, when Ixchelt tongue make contact with coffee then thermal energy of coffee is absorbed by tongue and tongue gets burned.

As heat always from high Potential to low that is why heat is absorbed by tongue.