Answer:
The atomic nucleus is the small, dense region consisting of protons and neutrons at the center of an atom, discovered in 1911 by Ernest Rutherford based on the 1909 Geiger–Marsden gold foil experiment.
Answer:
B. People live longer than they used to
Explanation:
None of the other answers are correct.
Ammonium chloride is the correct name for NH4CL
I’m pretty sure the answer is D :)
Lower than 7 is acid greater than 7 is a base