Regarding troughs and ridges, it is true that:
A) they most closely approximate a spiral pattern.
B) troughs are associated with high pressure.
C) there is always an equal number of troughs and ridges across the continental United States.
D) height contours for troughs are shifted toward the equator.
Question 2
The precipitation conditions in the Sahel are most influenced by the position of:
A) the Polar-Front Jet Stream.
B) the Subtropical Jet Stream.
C) the Lower Level Jet Stream.
D) the Inter-Tropical Convergence Zone.
Siamese cat, classical colorpoint pattern
The Rotation Curves of Four Spiral Galaxies
Creation of Spiral and Elliptical Galaxies
Living systems such as the human body consist of closely interrelated elements
Surface Fronts and Upper-Level Patterns: Cold Fronts and the Formation of Upper-Level Troughs
Electrophoresis gel in a densitometer. SPE densitometry showing a normal pattern.