If the 14C level of fossils is 73% compared to living organisms. It will be 2602 years.
<h3>What is radiocarbon dating? </h3>
This method is used to estimate the relative age of carbon-based materials. This is done usually for fossils which originate from living organisms.
This age is estimated by estimating the percentage of carbon-14 isotopes in the fossil. This is done by comparing this percentage to a reference standard used internationally. This method is of tremendous use in palaeontology. It has also found its use in hydrology, oceanography, geology etc.
Fossil age is determined by
At = (Ao) x (1 - 0.5)^(t/h)
Here, At/Ao = 0.73
So, 0.73 = 0.5^(t/5730)
Therefore, t = 2602 years
Read more about carbon dating, here
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1: Less Homes For Polar Bears
2: The movement of the waters would be fast and not steady
3: The Climate would change.
Answer:
a. Gametophytes of bryophytes
d. Sporophytes of seedless vascular plants
Explanation:
Bryophytes are non-vascular plants. The plant body is haploid gametophyte which is its dominant phase and bears sex organs. The gametophyte may be leafy as in moss and may be with thalloid as in liverworts.
Pteridophytes are seedless, true vascular plants. The plant body is the diploid sporophyte. The sporophyte is differentiated into true leaves, stem and roots.
loses the ability to hold water vapol
If there is an increase in orbital radius, this would also increase the average orbital speed or the velocity.
The orbital radius and the orbital speed is directly proportional. When the radius is increased, the orbital speed will also increase but it has to add energy to the system to increase the orbital radius.
