The correct answer is complete.
<span>Valence
is the number of electrons an atom must gain or lose in order to complete
its outer energy level or have a stable octet in its outer shell.
In the first energy level it can have only 2, but later levels can have 8, that is, an octet.</span>
i think that thats true, if people build on the wetlands there will be no more
Answer:
sedimentary rocks
Explanation:
can be dated using radioactive carbon, but because carbon decays relatively quickly, this only works for rocks younger than about 50 thousand years. So in order to date most older fossils, scientists look for layers of igneous rock or volcanic ash above and below the fossil.
I have no idea
You play RL?
For many of their illnesses scientist and doctors haven't treated them before so they don't know how to treat them or exactly if the animal can handle the treatment