Answer : a mountain or a hill that is being created on the Earth's crust when magma lands on the surface.
A volcano is also referred to as the vent that facilitates the transport of molten rock from deepest part of the Earth towards the its surface. The magma or the molten rock that erupts from the volcano is called lava. Lava is responsible for the construction of the cone that surrounds the vent of the volcano. A volcano that erupts magma turned to lava is called and active volcano while the volcano that has not erupted for quite some time is called dormant volcano.
Volcanoes and Mid-Ocean Ridges are kinds of geologic features form at subduction zones.
The correct answer is - 3. maize.
The maize was the basis of the diet of the civilizations of Mesoamerica. It was one of the first wild plants in which the people from this region saw a potential as a big and stable food source, so they started to farm it. All of the civilizations we know from this region, like the Olmecs, Toltecs, Mayans, Aztecs, formed and developed their civilizations around the food source that was provided by the maize.
Answer:
The average flow velocity of a river increases along its long profile. This makes sense; along the profile, more potential energy is converted to kinetic energy, increasing the velocity. This is only the average velocity however; a cross-section of a river shows that the velocity varies from one side to the other.
Explanation:
