Metamorphic rocks underground melt to become magma. When a volcano erupts, magma flows out of it. As the magma/lava cools it hardens and becomes igneous rock.

Explanation:

So alot of HEAT

7 0

2 years ago

Which is the main function of the respiratory system?

MArishka [77]

2 respiratory system is mainly used for respiration which is allowing o2 in and pushing co2 out

3 0

2 years ago

When the required direction of transport is opposed to concentration levels, a cell (1)_______ expend energy to force (2)_____ a

VLD [36.1K]

2)Active transport
1)I don't know if it's Active or passive but i am pretty sure it's active

4 0

2 years ago