Answer:
I would say one of the answer choices that includes or is similar to boling water and a stove and keep in mind that thermal energy is produced when the atoms and molecules in a substance vibrate faster due to a rise in temperature.
Hope this helps!
COMBINATION REACTION:
<em>Combination reaction is a reaction where two or more elements or compounds combine to form a single compound. Such reactions are represented by equations of the following form: X + Y → XY. The combination of two or more elements to form one compound is called combination reaction</em>
<em><u>An example could be lithium reacting with sulfur to give lithium sulfide. When magnesium burns in air, the atoms of the metal combine with the gas oxygen to produce magnesium oxide.</u></em>
<span>Hildegard of Bingen was also popularly known as St. Hildegard. </span><span>She was a musician and a composer, popular for her creation of gregorian chants that consists of different ranges and variations different from the usual gregorian chants.
I hope this helped you.</span>
Answer 1. im preety sure its sydication of news columns
Answer2. automated printing presses were made
