Answer:
1
Explanation:
in my opinion,The answer would be organism
please mark me as brainliest
This was an answer i found on google from Nasa
Vertical Column is a group
Horizontal is Period
Aliki earth metals is a group
Lithium- Neon is both
Based on electrons are both
Number of electron shells is both
The answer is that the pilot was tired of life and committed suicide with hundreds of passengers.