I'm not sure if your doing a true or false question. If you are then it's true
Answer:
An active volcano is a volcano that has had at least one eruption during the past 10,000 years. An active volcano might be erupting or dormant. An erupting volcano is an active volcano that is having an eruption.
A Dormant volcanoes have not erupted for a very long time but may erupt at a future time. Extinct volcanoes are not expected to erupt in the future. Inside an active volcano is a chamber in which molten rock, called magma, collects.
Explanation:
♤decay of radioactive elements
♤ leftover heat from planetary formation
♤heat released as the liquid outer core solidifies near its boundary with the inner core.
Answer:
The Colombian Exchange
Explanation:
The trade network was named after Christopher Columbus due to his discovery of the Americas.