Information on human behaviors that can cause harm to ecosystems or specific species, include image
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The fMRI is now the most commonly used method of learning about brain structure.
Functional magnetic resonance imaging (fMRI) is a type of brain scan that uses a magnetic field to create images of brain activity in each brain area.
The fMRI detects the amount of blood flow in each brain region, and thus is an indicator of neural activity. Very clear and detailed pictures of brain structures can be produced via fMRI.
The advantage of the fMRI is that it is noninvasive, fMRIs are substantial and they are now available in many university and hospital settings. The fMRI is now the most commonly used method of learning about brain structure.
Our words are bound by an invisible grammar which is embedded in the brain.
-Jonah Lehrer, in Proust Was a Neuroscientist.
To learn more about Functional magnetic resonance imaging (fMRI) here
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Answer:Thus we can conclude that these charcoal fragments are about 11460 years old.
Explanation:
a) for completion of half life:
Half life is the amount of time taken by a radioactive material to decay to half of its original value.
Expression for rate law for first order kinetics is given by:
where,
k = rate constant
t = age of sample
a = let initial amount of the reactant = 100
a - x = amount left after decay process = 25
b) for completion of 75 % of reaction
Thus we can conclude that these charcoal fragments are about 11460 years old.