Meeting ID: 361 647 0919 Passcode: EyqBx3

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The authors use the word “backbone” in lines 3 and 39 to indicate that

In the image, layer a is the topmost layer. layer c contains fossils from the precambrian era. layer b contains dinosaur fossils, and layer a contains fossils of mammals. which two statements are supported by this evidence? 1. mammals lived before the precambrian era. 2. dinosaurs and mammals existed in the precambrian era. 3. dinosaurs evolved after precambrian organisms. 4. precambrian organisms evolved after dinosaurs. 5. precambrian organisms were the first life-forms to become fossilized, according to this sample.

Your data will you choose that you can use in your planning. a. evidence-based practices b. strategies others have used c. new and innovative strategies d. strategies recommended by family members