Answer:
13
Explanation:
The atomic number for Aluminum (Al) is 13. If you have access to the periodic table, this would've taken a few seconds.
Scientific validity is the applicability of a conclusion drawn in the context of a scientific experiment to the world at large.
Answer:
what element is all life based on
Explanation:
the element is element carbon
Answer:
James Watson and Francis Crick solved the structure of DNA. Rosalind Franklin and Maurice Wilkins, also contributed to this discovery.
Explanation:
