What is true about oozes from the statements below: a) Siliceous oozes are made of quartz and calcareous oozes are made from calcium.
b) Siliceous oozes are made of calcium and calcareous oozes are made from quartz.
c) Calcareous and Siliceous oozes are about the same composition of quartz and calcium.

The magnitude of the magnetic field at a certain distance from a long, straight conductor is represented by b. what is the magnitude of the magnetic field at twice the distance from the conductor? a. at twice the distance, the magnitude of the field is 4b.b. at twice the distance, the magnitude of the field is 2b.c. at twice the distance, the magnitude of the field is b/2.d. at twice the distance, the magnitude of the field is b/4.e. at twice the distance, the magnitude of the field remains equal to b.