When sudden changes occurs in the body. lack of blood flow in the brain
I believe the best answer to that question wud be D. I cud b wrong
The sun is made up of two main elements, hydrogen and helium.
- Hydrogen makes up about 92% of all of the atoms in the sun while helium makes up about 7.8%.
- Oxygen, carbon, neon and nitrogen make up most of the remaining 0.2%.
Answer:
Helium
Explanation: The ionization energy decreases from the top to bottom in groups. And increases from left to the right across a period. Therefor Helium has tge largest first ionization energy, while francium has one of the lowest.
It would be D
Because a covelant compound forms when 2 non metal atoms bond
