How does hot magma come to earth surface and what does it form

It comes y o the earth's surface by volcanic eruption and forms lava

If magma is more buoyant and less dense than surrounding rock, it rises through the Earths crust. A lot of magma is trapped in the crust, but some erupts right onto the surface of the Earth as lava. Magma forms igneous rock when it cools and crystalizes.

d. new methods of assembly are introduced.

explanation:

this allows for the goods to be made on a larger scale. not faster because now it is shown to be made better, hence the greater productivity in the question. it is calling for something new to be introduced.

i only have few minutes according to the map above, which shows religious cultural regions, what two religions are most commonly practiced in africa? a. christianity and buddhism b. buddhism and hinduism c. islam and christianity d. hinduism and islam