Large indentions on the moon's surface, are known as craters.
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Answer: 4
Explanation: There are 4 valence electrons in group 14, the Carbon group.
Answer:
Does no have membrane bound organelles
Explanation:
The prokaryotes do have membrane bound organelles
All the answers shown are parts of Prokaryotes.
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Answer: Cells need to be able to survive
Explanation: they adapt
Answer:
C.
Explanation:
All these carbon atoms are isotopes: they have the same amount of protons (in this case, 6 because carbon always has 6 protons) and the same amount of electrons (6 because the carbons given have a neutral charge).
Therefore, the only thing we are changing is the atomic mass and the amount of neutrons present in each isotope.
In Carbon-12, there are 6 protons, 6 neutrons, and 6 electrons.
In Carbon-13, there are 6 protons, 7 neutrons, and 6 electrons.
In Carbon-14, there are 6 protons, 8 neutrons, and 6 electrons.
