Author Question: Studies of remanent magnetism in rocks spreading from the Mid-Atlantic Ridge reveal symmetric bands ... (Read 46 times)

Themember4 · **on:** Jul 28, 2018

Studies of remanent magnetism in rocks spreading from the Mid-Atlantic Ridge reveal symmetric bands of magnetic anomalies. These anomalies provide
a. support for the idea of continental drift.
b. evidence of Earth's magnetic pole reversals.
c. both (A) and (B).
d. neither (A) nor (B).

Question 2

In general, elements that have four to eight electrons in their valence shell are
a. semimetals.
b. metalloids.
c. nonmetals.
d. metals.