Answer: 30
Explanation: I can't really explain it
Magma is composed of molten rock and is stored in the Earth's crust. Lava is magma that reaches the surface of our planet through a volcano vent.
Answer:
I believe its A
Explanation:
because it not specifically that. they went to war because the economy burdens, the feeling of being treated unfairly by the empire.
Answer:
From the use of telephone to handphone or gaining laptops and computers for a big increase of technology.
Explanation:
Changes in technology lead to an increase in productivity of labor. It can be used to increase value across a wide range of types.
The best anwer is 4); vegetation is vital from keeping a place from becoming a desert. It transforms the ground into that with more nutrients, captures water and stops erosion, as well as protects the nutrient parts of the soil from being carried away with the wind.