Assuming you mean living matter
All living matter is produced by other living matter
Answer:
C) water vapor, cool air temperatures, and small particles of dust and smoke in the air
6 protons is the amount of electrons so it would be... 6 protons 6 neutrons 6 electrons in all so it is probably 18 protons but im not to sure but..idk good luck
If its chemistry:
Hg: Mercury/Transition metal
Ni: Nickel/Transition metal
Ti: Titanium/Transition metal
Answer:
Eating a balanced diet helps bring your cells the correct nutrients
Explanation: