Urgent 4a^2-2a+2ab-b​

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

The plants growing on scotlands highland moors are a)mixed forestb)grasses and low shrubsc)evergreen treesd)palm trees and ferns

Which of the following should be considered when evaluating the credibility of a text based on the voice? whether the voice is masculine or feminineo whether or not there is biaso whether or not the voice is true to the author's actual personalitywhether or not the voice reveals the timeline of the text