Answer:
7. This is an earthquake fault.(I'm sorry idk what your teacher calls it)
8. Earthquakes are due to plate tectonics, because when they move it causes trouble.(not very scientific definition sorry)
9. You can tell this is a fault because a fault is where plate tectonics slip. It causes a sort of fracture. (Also I recognize this photo it's from New Zealand an earthquake happened there in 2016)
Hope this helps
The answer would be b)Climate Region
A biome is defined as the large ecological area where the formation of plants and animals with common characteristics gather due to the similar climates. If I were an ecologist, and i will be determining whether an entire river and lake biome is being threatened by human activity, the indicator species that i might look for are the ones that have been introduced into the biome.
