WILL MARK BRAINLIEST IF CORRECT What is the first step of seafloor spreading?

A crack forms in oceanic crust.
Molten rock rises up through oceanic crust.
Molten rock solidifies at the center of the ridge.
New material pushes older rock away from the ridge.

Select the correct text in the passage. the moving continents affect all subsystems on earth. which sentence identifies a potentially negative consequence of shifting continents? the supercontinent pangaea began to break up about 175 million years ago. [during this process, more coastline was exposed as the landmasses separated]. [the rearrangement and displacement of these huge landmasses resulted in the diversity of plants and animals we see on earth today]. [the movement of the plates sometimes leads to earthquakes and tsunamis]. however, over the long course of earth's history, their effects are usually minimal. in oceans, the plate movements usually lead to seafloor spreading. [seafloor spreading often results in the formation of underwater ranges of mountains].

The position on the earth in which a place can be found

According to speculation and study, what will happen to the global birth rate in about 40 years? (1 point)