Answer:a gradual increase in the overall temperature of the earth's atmosphere generally attributed to the greenhouse effect caused by increased levels of carbon dioxide, chlorofluorocarbons, and other pollutants. Global warming can affect the food we eat or the air we breathe
2. Zenith, is the correct answer, as a Zenith is a peak “The sun had reached its zenith point on the summer solstice, signifying the exact middle of the year”
