Answer:
The answer is "They contain half a set of chromosomes"
Explanation:
Diploid cells have two complete sets of chromosomes.
The answer is A: They produce pollutants that harm people.
Hope this helps
Answer:
The Quantum Model of the Atom 1927
Explanation:
It is the most accurate model of the atom but I don't know about the easiest to visualise. Soz :(