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Which organisms do scientists estimate more than 50 percent of the oxygen in earths atmosphere?
Scientists estimate that more than 50 percent of the oxygen in Earth's atmosphere is produced by phytoplankton in the ocean through photosynthesis. Phytoplankton are microscopic marine organisms that play a crucial role in the global oxygen cycle.
What is the age of earth accepted by most scientists?
Most scientists estimate the age of Earth to be around 4.5 billion years old, based on radiometric dating of meteorites and rocks from the planet's surface. This age is determined by measuring the decay of radioactive isotopes in these materials.
How were scientist able to infer Earths age?
Scientists used a variety of dating techniques including radiometric dating of rocks, study of fossil records, and analysis of the Earth's magnetic field to infer Earth's age. By studying the decay rates of radioactive isotopes in rocks and minerals, they were able to estimate that the Earth is approximately 4.54 billion years old.
How do scientists tell the approimate age of mountains?
Scientists can determine the approximate age of mountains by studying the rock layers within them. By analyzing the composition, structure, and fossil evidence in the rocks, as well as using techniques like radiometric dating, scientists can estimate the age of the mountain and when it was formed. Additionally, studying the erosion patterns and surrounding geological features can provide clues about the age of a mountain.
How do scientists use to determine the age of a rock on the ocean floor?
Scientists use a method called radiometric dating to determine the age of rocks on the ocean floor. This technique involves measuring the proportions of certain radioactive isotopes and their decay products within the rock to calculate how long it has been since the rock formed. By analyzing these ratios, scientists can estimate the age of the rock.
How scientists estimate the age in years of a fossil?
Scientists can use carbon dating to determine the age of a fossil.
What is the process by which scientists can estimate the age of the Earth called?
It is called a recall
Explain why scientists might use models represent earths process?
why scientists use models to represent earths process
What is a method scientists use to estimate the age of living things after they have died?
One method scientists use to estimate the age of living things after they have died is carbon dating. This technique is based on the decay of carbon-14 isotopes in organic material to estimate the age of once-living organisms.
What are two ways that scientists can study earths climates history?
What are two ways that's scientists can study earths climates history
How old do scientists think the universe?
They estimate the age of the Universe in more than 12 billion years.
How do scientists tell the age of craters?
Scientists can determine the age of craters by analyzing the amount of erosion, the distribution of impact melt rocks, the presence of secondary crater chains, and the number of superimposed impact craters. By examining these factors, scientists can estimate when an impact event occurred and thus determine the age of the crater.
What is the age of earth accepted by most scientists?
Most scientists estimate the age of Earth to be around 4.5 billion years old, based on radiometric dating of meteorites and rocks from the planet's surface. This age is determined by measuring the decay of radioactive isotopes in these materials.
Which organisms do scientists estimate more than 50 percent of the oxygen in earths atmosphere?
Scientists estimate that more than 50 percent of the oxygen in Earth's atmosphere is produced by phytoplankton in the ocean through photosynthesis. Phytoplankton are microscopic marine organisms that play a crucial role in the global oxygen cycle.
What are ways the scientists can learn about the earths mantle?
seismometers
How can studying the number and thickness of rock layers help scientists estimate the age of landforms?
lol i am from heatherwood too I am too
Why scientists might use models to represent Earths processes?
scientist use models to show or explain easier
