It is B, it could also be D, but it is most likely B. Hope this helps.
Hello I have found the following Prefrontal cortex hope this helps
Answer:
The gases and dust particles thrown into the atmosphere during volcanic eruptions have influences on climate. Most of the particles spewed from volcanoes cool the planet by shading incoming solar radiation. The cooling effect can last for months to years depending on the characteristics of the eruption. Volcanoes have also caused global warming over millions of years during times in Earth’s history when extreme amounts of volcanism occurred, releasing greenhouse gases into the atmosphere.
(hope it helps.)
THE ANSWER IS A I DIDNT SEE THE TOP
