Answer: Speed
Explanation: I read it somewhere.
Answer:
Could happen at any time if we're not prepared.
Explanation:
Asteroids pose a serious threat to all life on Earth, as seen by history, and there might not be very much we can do. Even if we confirmed one was coming directly toward us, what could we do? We'd have to get creative and put ideas and tests into motion on how to get it away.
most likely b if this is in a certain book well ya
