A 6. 8-kilogram block is sliding down a horizontal, frictionless surface at a constant speed of 6. 0 meters per second. The kinetic energy of the block is approximately.

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.

Find the number if 3.7% of it is 37% of 37.

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