Answer:
Nicolaus Copernicus proved that the Earth orbits the sun.
Explanation:
He did.
Explanation:
Primary sources are evidence about what happen in that time, the person's evidence is primary because that person was there.
Secondary are like when somebody tells you something that he heard but he wasn't there.
Answer:
composite
Explanation:
Composite volcanoes, also referred to as stratovolcanoes, is a type of volcano that has a conical shape and is composed of many hardened layers of lava, tephra, and volcanic ash. It is characterized by a high, steep shape and periodic explosive eruptions.
A characteristic feature of this type of eruption is powerful, often sudden explosions, accompanied by the release of a huge amount of tephra, forming pumice and ash streams. These eruptions are dangerous, as they occur suddenly, often without preliminary warning events.