Answer :
Answer:
A - Change in Temp.
Explanation:
To determine wether heat is present or not, throughout time the air will begin to become hotter or warmer allowing you to know when heat is occuring.
Answer:
A - Change in Temp.
Explanation:
To determine wether heat is present or not, throughout time the air will begin to become hotter or warmer allowing you to know when heat is occuring.