<em>Scientists devised the geologic time scale after noticing differences in fossils as they progressed from oldest to youngest sedimentary strata. They divided Earth's past into many pieces of time when similar creatures were on the planet using relative dating.</em>
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<em>Geological time units are based on visible, sequential changes in Earth's rock layers. In geology, the Law of Superposition asserts that sediment and rock strata are deposited in chronological order, with the oldest layers on the bottom and the youngest ones on top.</em>
True is the answer
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Johannesburg is the South African city that is a regional hub of commerce and has South Africa's premier international airport. Johannesburg is not one of Africa's 3 capital cities, but it is the seat of the Constitutional Court, which has a final word on South Africa's constitution.
It would be C. Burning coal contributes to warmer global temperatures
I would have to say a hope my answer helps you
