What is the major obstacle in getting to central asia's mineral resources? a. territorial disputesc. lack of foreign interest in the areab. no method of transport for the resourcesd. heavy flooding

What's erosion? a. the breakdown of rock into smaller pieces b. the removal of weathered products from rock c. a change in rock resulting from exposure to water d. a chemical change in rock that weakens it

The process by which liquid water changes into water vapour is called what ?

Why is the huronian supergroup rock formation particularly interesting to scientists? because it looks like a cross-section of a giant, stone encyclopedia because it formed during the period when oxygen began to accumulate in the atmosphere because it contains unusually large amounts of oxygen and sulfur because it dramatically altered the planet's development when it first formed