Seamounts- submarine mountain.
You can check the following:
Is it magnetic
Is the density 7.87 g/cm3.
Does it melt at 2786°F or 1530°C
This basically electrophoresis so it requires understanding where certain parts of the gel match I suggest a reference
<span>D) introduction of the animal into places that it has previously gone extinct.</span>
Nonvascular plants are being described