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What happens to an organism after it dies?
In the wild it will decay and turn into plantlife When buried in a coffin it will decay, but at a slower rate When mummified, it will decay at an even slower rate When air-locked (stuck in tar, wrapped up, etc.) it won't decay at all
After how long corpse will start to decay and why corpse will decay?
Decay starts immediately upon death. Decay happens because the body's cells start to die. When the cells die, they exit the body, and dissolve into the ground. The soft tissues cells die first.
What is an explanation that accounts for differences in the evaporation rate in the two ecosystems?
Differences in evaporation rate between ecosystems can be attributed to factors such as temperature, humidity, wind speed, and the amount of sunlight reaching the surface. Ecosystems in arid regions with high temperatures and low humidity tend to have higher evaporation rates compared to ecosystems in cooler and more humid regions. Additionally, the presence of vegetation cover can also play a role in regulating evaporation rates by reducing direct exposure of soil and water surfaces to the elements.
What is rate of decay of body organs after death on medicolegal grounds?
The rate of decay of body organs after death can vary depending on factors such as temperature, humidity, and the presence of insects. In general, the process of decomposition begins immediately after death, with organs starting to break down within hours. Decomposition follows a predictable timeline, progressing from early decomposition stages such as livor mortis and rigor mortis to more advanced stages such as putrefaction and skeletonization. Understanding this timeline is crucial in estimating the time of death in forensic investigations.
Why does radioactive carbon 14 begin to decay after a plant or animals dies?
Radioactive carbon-14 decays because it is an unstable isotope with a half-life of about 5,730 years. Once a plant or animal dies, it stops taking in new carbon-14, and the existing carbon-14 begins to decay at a predictable rate. This decay process is used in radiocarbon dating to estimate the age of organic materials.
What does it mean when radioactive decay hasn't started yet?
You can't just start or stop radioactive decay. A certain type of atom (a certain isotope) will basically ALWAYS decay at a certain rate. The statement might refer to what happens at time t = 0, i.e., before the material had time to decay.
How the process of radioactive decay can provide more accurate measurements of age compared to relative age dating?
Because radioactive decay happens at a constant rate. Once you figure out the rate of decay, called the half life, you can date stuff.
When the rate of radioactive decay becomes smaller half life becomes what?
When the rate of radioactive decay decreases, the half-life of the radioactive substance increases. This is because a smaller decay rate means that it takes a longer time for half of the radioactive atoms to decay. Consequently, the half-life, which is the time required for half of the substance to decay, extends as the decay rate diminishes.
Does decay happen faster in dry or humid weather?
Decay happens at a faster rate in humid weather. Humidity is caused by excess moisture in the air. Water is notorious for decomposing organic materials faster.
True or false the colder the temperature the faster decay happens?
False. Decay processes are typically slower at colder temperatures because the low temperature slows down the biochemical reactions that facilitate decay. Warmer temperatures generally speed up decay by increasing the rate of these chemical reactions.
How the radioactive decay rate be changed?
The rate cannot be changed.
As the temperature of a radioactive sample increases the rate of the nuclear decay?
The rate of nuclear decay increases as the temperature of a radioactive sample increases. This is due to the increased kinetic energy of the nuclei at higher temperatures, which facilitates interactions that lead to nuclear decay.
What is decay rate?
How fast something decomposes
Is decay rate a chemical or physical property?
Decay rate is a chemical property, as it relates to the rate at which a substance undergoes chemical reactions or transformations over time.
True of false decay always happens at the same rate in ecosystems?
false Decay of dead plant and animal material is normally accomplished by yeast, bacteria and fungi which have evolved to break down the cellular material for food. However, some decay is "built-in" to the plants or animals in the form of enzymes which decompose the dead cell material. Also, there are insects, worms and other animals who assist in eating and recycling dead organisms. The rate of breakdown is dependent on many things, for example: 1. Temperature - colder is slower, but too hot can kill the microrganisms or disable the enzymes needed for decay 2. Available liquid water - the microorganisms and enzymes need water to both live and to operate their digestion chemistry. Decay proceeds very slowly in deserts. 3. Number and type of microorganisms 4. Available oxygen - some organisms need oxygen to live, others do not 5. Other chemicals in the environment which can inhibit the action of the decay microorganisms. Some materials such as polymers can be broken down by light, especially ultraviolet light from the sun. So the rate of photodegradation is determined by how much sunlight the material gets. Some materials simply dissolve in water, thus the amount of water available changes the rate of "decay".
What two factors determine the rate of colonization of an island?
Decay rate and rate of regrowth
Why would carbon dating work if carbon atoms did not decay at a constant rate?
Statistically carbon-14 atoms decay at a constant rate.
