Answer:
The prefix hetero- comes from the Greek word, héteros, and means "other, different". It is the exact opposite of the meaning of the prefix homo-.
That would be Pyroclastic material
The correct answer would be B. Nigeria
In other words: they sailed from Hennø in Norway, heading due west towards Greenland, between Shetland and the Faroes and south of Iceland
"1. moisture (water vapor) in the air near the surface
2. instability - relatively large decrease of air temperature with height
3. lift - some process (such as a front) that forces air to rise"
The air is dry during the summer and any moisture amount is increased in the afternoon as the temperature cools.