13.In a vacuum flask, what arethe components that prevent heat loss
through conduction and convection

if he does not use open the compass the a width greater than half of po, he will not be able to find the midpoint of the line, without the midpoint of the line, he will not be able to bisect the line.   to find the midpoint of a line the circles drawn with a compass must either intersect or be touching.

explanation:

latitude and longitude are the units that represent the coordinates at geographic coordinate system. to make a search, use the name of a place, city, state, or address, or click the location on the map to find lat long coordinates. this applies to your case where your house will represent the place.