Answer:
They have small crystals.
Explanation:
Extrusive igneous rocks form when lava reaches the Earth's surface a volcano and cools quickly. Most extrusive or volcanic rocks have small crystals. Examples include basalt, rhyolite, andesite, and obsidian. Intrusive, or plutonic, igneous rocks form when magma cools slowly below the Earth's surface.
This would be shallow rivers. They're the biggest obstacles by boat on the Congo River.
Hope this will help you!:)
Yes because the population in the economy is good and has to grow more
Answer:
O Argentina
Explanation:
The Salto Grande Dam is an important source of electricity for Argentina and Uruguay. Both countries shares the Dam and it supplies electricity to nearby areas.
This dam was completed in 1979.
The river dammed is the Uruguay river located between Concordia in Argentina and Salto, Uruguay.
- Hydroelectric power uses water to drive huge turbines which produces electricity as they rotate.