Question

whose handwriting is this?(identify the pronoun)
1) handwriting
2) Whose
3) this​

Answer 1

Explanation:

3. This - demonstrative pronoun.

(Not 'Whose' .. that is interrogative adjective.)

Answer 2

Answer:

Heat is the form of energy that is transferred between systems or objects with different temperatures (flowing from the high-temperature system to the low-temperature system). Also referred to as heat energy or thermal energy. Heat is typically measured in Btu, calories or joules