1.Products of most combustion reactions are:
Carbon dioxide and water
2.Alloys are made by melting and combining metals together.
Chemical changes involve electrons,in this process no electron is used/shared or given.
Thus,its not a chemical change.
Answer:
A magnetic field is a picture that we use as a tool to describe how the magnetic force is distributed in the space around and within something magnetic.
Explanation:
The both sturctures of the nucleic acid are called resonance structures.
<h3>What are resonance structures?</h3>
Resonance structures refers to those structures that differ from each other by the position of electron pairs. We must state that resonsnce occurs in spsecies that have conjugated double bonds.
Hence, the both sturctures of the nucleic acid are called resonance structures.
Learn more about resonsnce structures: brainly.com/question/1511445
Answer: unit conversions can be done either simultaneously or separately
Explanation: