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All things lose a small amount of carbon-14 over time (decaying to nitrogen-14) and scientists measure the amount of carbon-14 remaining and see how much has been lost compared to a new animal.
Certain adjustments have to be made to this initial estimate as the amount of carbon-14 in the environment varies over time. Natural carbon-14 is made in the upper atmosphere by the result of the reaction of cosmic rays with atmospheric nitrogen. The levels of cosmic rays vary with the position of our solar system in the galaxy and events in nearby stars and in the universe beyond our galaxy. Also carbon-14 levels are elevated significantly above these natural levels by the neutrons emitted in above ground nuclear tests, significantly skewing carbon-14 dates of samples from 1945 until the present time (although most above ground nuclear testing stopped in 1963 this excess carbon-14 remains in the environment and is therefor still being incorporated into living things today).
What else can I help you with?
Is Liz Jones dating Robert plant?
No... She says her boyfriend is in his late 40's. Robert Plant was 63 in August. It's Jim Kerr of Simple Minds
Milk in veg or non-veg?
It is non-veg. why b'coz it is the product of animal but not plant product.
Can you name two consumers?
Herbivores[only plant eaters],omnivores[both plant and animal eaters],and carnivores[meat eaters].
Are Robert plant and Allison krausse dating?
Oh, isn't that a lovely thought? It's always nice to see two talented souls connecting. Whether Robert Plant and Allison Krauss are dating or not, what truly matters is the beautiful music they create together. Let's focus on the harmony they bring to the world and appreciate their artistry.
Is a gorilla a producer consumer or decomposed?
consumer
What are 2 things does the habitat provide for an animal or plant?
Food and shelter.
How the age of plant and animal fossils is determined?
The age of a plant or animal in a fossil is determined by radiocarbon dating. This means scientists measure the amount of a special type of carbon in the fossil, to determine the date.
What does fertalisation mean?
To provide an animal or plant with sperm or pollen to bring about fertilisation.
Rotted plant and animal remains that becomes part of the soil?
forms the humus and provide nutrients to the growing plant
How can a plant help an animal meet its needs?
It can provide the animal with food. Plants also take in Carbon Dioxide and put out oxygen, so they sort of provide animals with air too.
Did the bacteria come before the animal and plant cell?
Yes, bacteria evolved before animal and plant cells. Bacteria are one of the oldest forms of life on Earth, dating back billions of years, while animal and plant cells evolved later through a process of more complex cellular organization.
What are the 2 structures that animal cell do not have?
Animal cells do not have cell walls, which are found in plant cells and provide structural support. They also do not have chloroplasts, which are the organelles responsible for photosynthesis in plant cells.
Why are mitochondria in a plant and a animal cell?
Because mitochondrion are the powerhouses of the cell; they provide it with energy to move and perform functions.
What two ingredients make suitable for plant and animal?
Estuaries provide protected harbors and access to the ocean and rivers.
Is flagella plant or animal?
both(plant and animal)
What animal is called as plant animal?
The stick bug is known as a plant animal.
How is animal cells different from plant cell?
well the animal is different from a plant cell because a plant cell have a cell wall, & chloroplast and the animal cell does not
