Answer:
compare the size of land forms and estimate distances,
Explanation:
Answer:
the sun and moon cycle takes up 24 hours, so that is why a whole day is considered 24 hours. there are 7 days in a week based on the earths rotation and position on its axis. there are 12 months in a year because of the lunar cycles, there are just a little bit over 12 in a year. we also have been following this stuff since the time of the ancient babylons and maybe even before.
Answer:
Many of the plants and animals that have adapted to survive in cold, dry tundras are threatened by climate change, as are many of the plants and animals that have adapted to live there. As soil bacteria transform carbon into carbon dioxide and methane, the tundra is becoming a source of greenhouse gas emissions.
Explanation:
cause yk its earth and stuff
Answer:
I am too bored..............