A virus can be inside a body without showing up
The soil on the valley floor because it would not have runoff. Hope this helps.
The nucleolus is where the assembly of the ribosomes begin. Proteins are assembled on ribosomes. Ribosomes produce proteins by following coded instruction of the DNA. Eukaryotic cells contain an internal membrane system known as the endoplasmic reticulum.
Water has some unusual properties due to its hydrogen bonds. One property is cohesion, the tendency for water molecules to stick together. The cohesive forces between water molecules are responsible for the phenomenon known as surface tension.
The answer is the atoms of the reactants have combined to form a new substance. Every product of a chemical equation has to be a new substance. If their is no new substance then, a chemical change never occurred and there is no chemical equation. The new substance never has the same properties as the reactants. That's why they call it a "new" substance. Also, the atoms are the ones that combine. They are not mixed
