Because they are in different galaxies. I hope this helps! :)
Atoms are the most basic confirmed building block of life. Everything is made up of atoms. Atoms are made the positively charged protons, neutral charged neutrons, and negatively charged electrons.
It's c because Atoms contain three sub-atomic particles called protons, neutrons and electrons. The protons and neutrons are found in the nucleus at the centre of the atom.
<span>The biological term for such organisms is "deuterostomes". Those who's first opening is the mouth are called protostomes.
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Rocks? not quite sure about this one but good luck and hope this helps! :)
