Question

Which of the following are FALSE about paleomagnetic reversals?

a)Scientists have directly observed Earth's magnetic field reversing.
b) Reversals in Earth's magnetic field are preserved in newly formed ocean crust.
c) Reversals are symmetrical on either side of mid-ocean ridges.
d) Reversals are important confirmation of seafloor spreading.

Answer 1

Paleomagnetic reversals are a phenomenon where the Earth's magnetic field flips periodically. Scientists haven't directly observed the reversals, but they are preserved in newly formed ocean crust. Reversals are symmetrical on either side of mid-ocean ridges and provide important confirmation of seafloor spreading.

Step-by-step explanation:

Paleomagnetic reversals refer to the phenomenon where the direction of the Earth's magnetic field flips periodically. Let's address the statements:

a) This statement is FALSE. Scientists have not directly observed Earth's magnetic field reversing, but they have studied the preserved magnetic reversals in rocks.

b) This statement is TRUE. Reversals in Earth's magnetic field are indeed preserved in newly formed ocean crust.

c) This statement is TRUE. Reversals are symmetrical on either side of mid-ocean ridges.

d) This statement is TRUE. Reversals provide important confirmation of seafloor spreading.

Overall, statements a) is false but b), c), and d) are true about paleomagnetic reversals.