IDNStudy.com, ang iyong gabay para sa maaasahan at mabilis na mga sagot. Sumali sa aming komunidad ng mga bihasa upang makahanap ng mga sagot na kailangan mo sa anumang paksa o problema.

You throw a ball in the air as fast as you can. It reaches a point where it seems to pause for a moment then comes down. Shoot a bullet straight up. It will travel much faster than the ball but it too will come down. Whatever goes up must come down. An airplane may climb to a height of 17 miles and then travel far. Yet it does not stay up forever. Like everything else, it must come down.

the paragraph is about?​