What is the im[portance of nitrogen in the atmosphere?

Where was oil production at its highest in the 1980s and still remains important to the russian economy? central asia the ural mountains russian siberia the caucasus region

Answer this asap. why did the americans go to china? a. trading b. exploration c. land d. live stock

Put these ecosystems in order of least biodiversity to most biodiversity 1. mediterranean forest 2. indonesian rain forest 3. arctic ocean