What is a marsupial and what makes them different from mammals asa

a mammal of an order whose members are born incompletely developed and are typically carried and suckled in a pouch on the mother's belly.

Explanation:

Both the questions are answered above.

it cools slower in the earth meaning the crystals have more time to form than lava on the surface

emerging idea only occurs as a raw idea that could appear out of nowhere. meanwhile, to reach scientific consensus , that idea must be structured and tested over and over again through various experiments. the scientific consensus transforms the raw idea into idea that is more reliable through the process of scientific elimination.