Answer: The mass number is 13
Explanation:
Mass number = Protrons + neutrons;
While Atomic number = Number of neutrons
Therefore, if the atomic number of nitrogen is given as 7, then its Protrons = 7
So, mass number = 7 + 6 = 13
Answer: The air temperature decreases.
Explanation: As you go higher in altitude above the earth there are fewer molecules to absorb the radiation from the sun.
I hope you found this answer helpful.
A mouse has a greater ratio of surface area rather than a hippopotamus.
Different traits come from the chromosomes of both parents
