Which of the following is the best definition of magma

a an area of mountain valances
b vents in the earth were steam rises into the air
c the ridges of hard shiny black basalt rock that can be found in volcanic areas
d hot liquid rock beneath the earth's surface which can squeeze upward through cracks fussures

In this unit, you read about transitions of power and the formation of newly independent nations in africa, asia, the americas, and the middle east. some of these transitions were peaceful, while others caused long-term instability. why do you think some countries were more successful than others with political transitions? what do you think were the biggest challenges facing newly independent countries? would it have been possible for leaders to prevent these problems before they happened? why or why not?

Ineed answers 5 and 6 on my social studies homework reply to this question i posted

Explain one example of how the u. s has struggles to balance energy independence and environmental