Molecule- a group of atoms bonded together, representing the smallest fundamental unit of a chemical compound that can take part in a chemical reaction.
Examples: N2 (nitrogen) O3 (ozone) CaO (calcium oxide) C6H12O6 (glucose, a type of sugar)
<span>Let me give you reasons to discuss this part:
1.people have now realized that a child is the individual who is responsible for the world thirty years down the line.
2. Productivity has now been increased in each child, preparing them to face the world.
3. Childhood is a very sensitive time for each child, as well as each parent.
4.More children are now being educated in our society.</span>
I think that railroads helped because people could get their goods faster and people could send out more goods across America.
A. technological advances
Surprisingly, antarctica has the most volcanos in the world