B. Solar flares
The auroras are caused by space dust particles reflecting and mixing with earth’s atmosphere
The correct answer is the amniotic egg. Hope this helps.
C. When you take a step, the ground pushes back on your foot with the same amount of force. If it pushed back with less, your foot would go through the floor; if it pushed back with more, it would actually push your foot off the ground. But they're in opposite directions; your foot pushes down, while the ground pushes up.
Hope this helps!
Answer:
riding the bike instead of the Car
