If bubbles aren't a for sure way of knowing a chemical reaction I don't know what is. But being for real, it is a chemical change because the bubbles are releasing carbon dioxide meaning it turned into a product from a reaction with outside forces.
Answer:
The answer would be at 120°C
The factors that affect the strength of electric or magnetic fields are loop count, the current, the wire size, and the presence of an iron core.
<h3>What is an electromagnetic field?</h3>
Electromagnetic field is defined as the field that is made up of both the electric and magnetic field that can help in conduction of electricity.
The factors that affect the strength of electric or magnetic fields include the following:
- the presence of an iron core.
Learn more about magnetic field here:
brainly.com/question/14372859
#SPJ1