What is the convection pattern between 30°S and 30°N latitude? A. Cooler air rises and moves toward the equator, then warms and falls and moves away from the equator.
B. Cooler air rises and moves away from the equator, then warms and falls and moves back to the equator.
C. Hotter air rises and moves toward the equator, then cools and falls and moves away from the equator.
D. Hotter air rises and moves away from the equator, then cools and falls and moves back to the equator.

Athin nonconducting rod with a uniform distribution of positive charge q is bent into a circle of radius r. the central perpendicular axis through the ring is a z-axis, with the origin at the center of the ring. a) what is the magnitude of the electric field due to the rod at z = 0? n/c (b) what is the magnitude of the electric field due to the rod at z = infinity? n/c (c) in terms of r, at what positive value of z is that magnitude maximum? r (d) if r = 4.00 cm and q = 9.00 µc, what is the maximum magnitude? n/c