When does a high pressure system form? a) when an air mass cools over a cold surface and sinks b) when an air mass cools over a hot surface and rises c) when a cold air mass cools over a cool surface and rises d) when a cold air mass warms up over a hot surface and rises

In 1870, which path would settlers moving west from el paso to los angeles have followed? a) old spanish trail b) gila trail c) california trail d) oregon trail

Lee is creating a garden with the dimensions shown. he creates paths through the garden along , , and . which correctly compares the lengths of the paths? the path along is longer than the path along , and the path along is longer than the path along . the path along is longer than the path along , and the path along is longer than the path along . the path along is longer than the path along , and the path along is longer than the path along . the path along is longer than the path along , and the path along is longer than the path along .

The point where two air masses meet is called a