Dry lightning is just a term for lightning striking without significant precipitation.
A. Northern - it is nearer the equator than the other parts of Australia, so the temperatures would be hotter, and almost the same with tropical countries. Darwin, for example, experiences monsoon rains and storms, and high humidity, which is much different from other Australian places.
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
Solar power is not the best option in some countries because places like Rjukan (Norway) that do not recieve enough sunlight because of where they are located.