A pilot wants to fly on a bearing of 65.3 degrees. By flying due east, he finds that a 50-mph wind, blowing from the south, puts him on course. Find the airspeed and the groundspeed of the plane.

answer: strength i guess

explanation:

small = small current large mag large current

measuring things 1 litre of water

that tool is called an altimeter which measures your altitude which can be used to tell which atmosphere you are currently in, including the stratosphere.

hope this ! : )