Ninety-five percent of the world's opal supply is mined in the nation of new zealand papua new guinea australia new caledonia

The chemical or mechanical process by which rock is gradually broken down eventually becoming soil

James hutton is ? a. extensively studied fossils. b. revealed that fossils would provide the history of past life. c. created the first scientific classification of plants and animals. d. provided geologic evidence necessary for calculating the time span of evolution.

Write a 150word essay describing the effect of people's activities on the environment in the region.