Dendrochronology dating method four year dating anniversary ideas

Stromatolites grow at a maximum rate of 5cm every 100 years and a stromatolite 1.5 meters in diameter was found in Virginia and a 500cm high stromatolite was found at the foot of Wutai Mountain in China.How genes and mutations work give us insights and tools into how evolution works.because science is about refining our understanding of the truth.The Theory of Evolution is strong enough that nearly half these examples could be disproved and the evidence would still be fairly overwhelming.I’ve used links to articles in Wikipedia as much as possible because Wiki articles are refined over time with our understanding of the subjectmatter and are less subject to link-rot.This post is licensed Creative Commons and all photos listed here are available under some form of free-to-use licensing.

Speciation is the process by which new species are formed.” The shells were deposited in layers on the Ocean floor over millions of years, layers that would be violently broken up and rippled into a mountain range 480,000,000 years ago by a catastrophic earthquake.South America fits into Africa, rocks get younger the closer you get to where the crust is spreading under the ocean, and satellites have observed the drift.Layers are laid down on top of each other, with the bottom layers laid down first and the top layers laid down last; therefore, the layers on the bottom are the oldest and the ones on the top are the youngest.Dinosaur footprints, slug footprints, Australopithecus footprints and other footprints on top of any layer in the strata means that layer was at the top of the stack long enough for something to walk on top of it before it got covered by subsequent layers and hardened into solid rock.

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Tyronnosaurus rexes weren’t alive at the same time; therefore, their stratum didn’t get laid down at the same time.

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