How fast did the Colorado River incise down into the Grand Canyon between 4.8 and 1.2 million years ago (or over a 3.6 million year period)? The answer should be in centimeters per century and be calculated for both Point Sublime on the North Rim and an unnamed point on the South Rim. Select the best (closest to what you calculate) answer.

Which of the following is not an effect of land substance

The government of country a has determined there is a coal shortage a seed on mining reports as a result of these data the government decreases coal exports to other nations access to information country a

Why have the countries of the region had difficulty establishing democratic governments in recent years? choose all answers that are correct b is also correct i need to know if theres any morecommunists have overtaken the countries of the caucasus region. the soviets established national borders in the region without considering the location of ethnic groups. fighting continues between armenia and azerbaijan over the nagorno-karabakh region. civil war between communists and islamic groups in tajikistan resulted in thousands of deaths and refugees are forced to flee. in a test!