Question

, which statements best explain why opal is found in places such as Australia? Choose the two correct answers.

A
Australia has large amounts of sandstone and silica.

B
Opal can only be formed where an ocean comes in contact with land.

C
An inland sea once covered central to eastern Australia.

D
Australia has a very hot, desert-like climate in most areas.

E
Australia has very few active volcanoes across the continent.

Answer 1

A Australia has large amounts of sandstone and silica. -like. B Opal can only be formed where an ocean comes in contact with land.

Step-by-step explanation: