I think the answer is obviously letter D
Answer:
I recently learn about population policies in India and China and I can confidently tell you that B is the answer. Family Planning Education.
for better research go to under NOAA - Climate.gov
This is a short paraphrased summary of the article about ice cores in that website.
Answer: Researchers in labs may melt or crush bits of the ice core a little at a time, each deeper layer shows the time in the Earth's climate history. Tiny pieces of pollution, metals, radoiactive fallout, pebbles, sea salt, volcanic ash and even air bubbles all present important information that researchers can look for to track changes in the atmosphere's composition and temperature.
The sea level of mexico city is 7382.
Answer:
The volcano continued to spit ash through the end of April, forming two large craters which eventually merged into one.