Answer:
The biological concept of species states that if 2 organisms can interbreed and produce fertile offspring they belong to the same species.
Scientist could observe them under natural conditions and check if they can reproduce to produce fertile offspring.
The Correct choice is ~
- Carbon is a metal that can form four ionic bonds
Carbon is a non - metal, and it doesn't actually forms ionic bonds with other elements ~
Sunlight. Just think about the word "radiant."