The earth has 3 main chemical layers: a core, mantle, and crust these layers formed from a process called during planetary accretion

What is the compliment dna strand to the following sequence: ttgactaggcta

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Land conservation is a worldwide priority. there are several methods to prevent the loss of land due to a variety of reasons. which method is not a way to conserve land? a) sea walls b) rainwater harvesting c) limits on clear cuts of forests d) cut and burn methods of clearing land