Answer:
A)11,460 years
Explanation:half of a radioactive element represent the time take for half of it's components to dissociate or disintegrate.
For carbonn14 that undergo an emmision to form a stable carbon 14,it moves thus
14C(1 part) ______14C(0.5 parts)_____14C(0.25parts)
i.e it undergo two radioactive decay which means two half lives .
Since each half life is 5780 years ,the age will be 2×half lives= 2×5780=11,460 years
Answer:
Brain and spinal cord
Explanation:
Meningitis is the inflammation of the protective covering of the meninges, the three membranes covering the brain and spinal cord. Meningitis usually occurs from a viral infection, but may sometimes result from a bacterial or fungal infection, cancer or drug allergies.
Viral and bacterial meningitis may be contagious and can be transmitted through coughing and sneezing.
Symptoms of meningitis include:
- sensitivity to bright light
Treatment is by vaccination, use of antibiotics and antifungal agents.
<span>The
NIMBY syndrome presents itself when discussing drug
treatment, landfills and jails. NIMBY is an acronym for </span>“Not In My Back
Yard.” Person with NIMBY resists unwanted development, such as manufacturing
plants, prisons, power companies, or chemical companies in his or her own
neighborhood or town. <span>Their
state of mind is called Nimbyism. </span>
Your answer is true
Hope this helps <3
Answer: this is because with triplet sequences, diversities would be generated and the possibility of overlapping is minimal
Explanation: