643, 000 is the correct answer to your question
Answer:
The Earth also gives us clues about the levels of greenhouse gases that existed in the past. For example, ancient air bubbles trapped deep in the ice of Greenland and Antarctica reveal how much carbon dioxide was present long ago.
Explanation:I learn it in 8 grade.
Nitrogen hope that helped
Answer:
44.9 degrees north, 198.3 degrees west
Explanation:
34+10.9=44.9
118+80.3=198.3
<span>Scientists choose where are units of time began and ended based on major changes in life forms at certain times</span>
