By increasing atomic number
I think it is the first choice
Hope that helped!
Answer:
2.11 billion years.
Explanation:
I hope this helps! Have a great rest of your day!
1) Only if new observations led to a change in our current knowledge.
2) <span>place their own moral views about the needs of society
3) FALSE
4) FALSE
5) FALSE(i think)
6) TRUE
7) Distillation
8) the # of neutrons
9) the element becomes a different element
10) atomic radii increase
11) decreases
i hope these are right and helps. please give me brainliest</span>
