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>
Answer:
Explanation: Life would not be possible because we would have no oxygen. We breath out carbon and plants breath out oxygen.so plants would die and then we would die.
They can look at previous data and compare it to current data of the climate, from there they can estimate climate change. Example: in 1977on july 23rd the temperature was 28°C. on july 23rd 2017 the temperature was 32°C. the temperature in 40 years the temperature changed by 4°C
Sorry, I cannot see a statement to choose from.
Answer:
It's the pattern of lines that was the recird of an earthquake's seismic waves produced by a seismograph. What pattern do seismographic data reveal? It shows where earthquakes occur around the world. Geologists will make maps out of this data and find out the most earhquakes occur along plate boundaries.
Explanation: