Answer:

1.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)

2.Gas Fired Water Heater. Here at Radiantec we often recommend the use of domestic water heaters instead of expensive boilers. ...

Oil Fired Boilers or Water Heaters. Oil can be less expensive than gas in some locations at this time.

Wood or Coal Heaters

Solar Collectors.

Radiant Retrofit

Electric Heat

3.In physical science, heat is important to all aspects of life, especially plants and mammals. Plant life relies on heat, among other things, to survive as well. Heat is a result of energy, which can be beneficial as well as dangerous.

#CarryOnLearning

Answer:

1.Heat is the form of energy that is transferred between systems or objects with different temperatures

2.Sun,chemical,electrical and nuclear

3.heat is important to all aspects of life, especially plants and mammals. Plant life relies on heat, among other things, to survive as well. Heat is a result of energy, which can be beneficial as well as dangerous.