Answer:
Mid ocean ridge are where new crustal material is forced to the surface. The new crustal material is pushed apart forming two different plates moving in two different directions. An ocean trench is where old crustal material is pushed under another plate where it is melted and turned into magma.
Answer:
c
Explanation:
It cant be a because of plants
it cant be b because it just dont make sense
it cant be d because you can see non living too
Answer:
They are both countries and they both accept foreigners.
Answer:
A star
Explanation: The sun is the brightest star in the solar system ,and is the only star that can be visible during the day.