Answer: option a is incorrect, while option b, c, d are all correct
Step-by-step explanation:
Australia doesn't have volcanoes .
Australia have varying climate ranging from desert to tropical while new Zealand has a moderate moist climate. New Zealand has a highland interior, whereas Australia's interior exhibits mainly low relief.
Australia's rocks are older than those of New Zealand. Australia's highest mountains are the Great Dividing Range, while New Zealand has a spine of much higher mountains called the Southern Alps.