Answer:
27
Explanation:
The number of protons in atom is the atomic number. For a neutral atom that has not lost or gained any electron, it is the same as the number of electrons.
The atomic number is used in perfect ordering of the periodic table and it is the basis of the periodic law.
Protons are positively charged subatomic particles that reside in the in the nucleus of an atom with the neutrons.
Because if we use too much coal we are wasting fossil fuels and burning coal hurts the environment so the alternative energy sources provide clean energy
Answer:
A. Many dinosaurs were present in upper layers of rock strata, but not in lower layers.
Explanation:
In my opinion, this is the best possible answer.
Answer:
This paragraph seems to be a descriptive essay about the mimic octopus. It describes the way that the mimic octopuses ability to change helps it.
Explanation:
