Answer:
The half-life (t1/2) is the time taken for the activity of a given amount of a radioactive substance to decay to half of its initial value. The mean lifetime (τ, “tau”) is the average lifetime of a radioactive particle before decay. The decay constant (λ, “lambda”) is the inverse of the mean lifetime
Answer:
Reverse translate from amino acids (protein) to RNA then reverse transcribe to DNA. However, its not exact because there are no introns because they got cut out because they didn't code for the protein so you can't get the original strand and also because some amino acids have multiple codons.
1. insulation B. fat cells - it is not uncommon to say that people who weigh a lot generally preserve more heat
2. food supply A. capillaries - they transport food
3. follicle C. hair shaft
4. sweat gland D. cooling - your body cools down when you sweat
5. touch E. nerve endings - nerves help you feel things
GENETIC VARIATION IS CREATED WITHIN A POPULATION
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The answer is A, sediments. Mud, silt and clay can all be found at the bottom of a river, where sediment is formed.
Hope this helps!