In order to live,grow,and reproduce.
the dominant form of the trait shows ---- if your question is from Gradpoint
The two are potassium and rubidium. Why? Na is an alkali metal. As you go down the metals become more reactive.
Calcium has 20 protons. Why? The atomic # is 20 (the one at the top).
It has 20 neutrons. Why? The atomic mass (the number on the bottom) is ~40, ignoring electron mass. 40- 20 protons = 20 neutrons.
It has 20 electrons.
Why? The # of protons and electrons is the same. Ions aren't on the periodic table.
Please mark brainliest if I helped you!
The genetic code is considered universal because the same four nucleotide bases are used by all known organisms
Answer:
Because it was a dead language.
Explanation:
Nobody uses latin anymore.