Which postulate explains why a tripod will not tip over?
a.
a line contains at least two points.
b.
a plane contains at least three noncollinear points.
c.
space contains at least four noncoplanar points.
d.
if two planes intersect, then their intersection is a line.

What's a recharge area? a. the part of an aquifer where groundwater meets a lake or stream b. the part of an aquifer where surface water reaches the water table c. the part of an aquifer that's located between two aquicludes d. the part of an aquifer that's located at a lower elevation

Which type of map gives the most information about what lies below the surface terrain ?

Which hot air mass brings hot humid weather and air mass