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 Spiral (Solution)
A typical pop tester used to check the spray pattern of a diesel engine injector.
Electrophoresis gel in a densitometer. SPE densitometry showing a normal pattern.
The level of future emissions is closely linked to the rate of population growth