DNA is one and Grow and Develop i think i could be wong let me know i can read up on it some more
Answer:
Period
Explanation:
horizontal is a period and verticle is a group
If the two gases has a total pressure of 5.7 atm and one of the gases has a partial pressure of 4.1 the the other one has the pressure of 1.6
Answer:
Option B same Atomic number and Different Atomic weight
Explanation:
Isotope are those inwhich no of protons (Atomic number) is same and mass number (A=n+Z) is different
Examples: Cl-35& Cl-37
And O-16& O-18
And option C corresponds to Isobars with same mass number and different atomic number.