Answer:
An atom
Explanation:
An atom is defined as the smallest, indivisible unit of a substance.
Elements are defined as the simplest part of a substance that can no longer be broken down in a reaction.
<em>Elemental phosphorus is a substance and when a piece is subdivided until it becomes physically impossible to divide further, then it becomes an atom of phosphorus.</em>
The correct answer is atom.
They study rocks from both the moon and the earth
The correct answer is option <u>D. Its absence would affect many organism present in the community. </u>
Photoautotrophs are organisms capable of photosynthesis. This group consists of algae and plants.
