Answer : In radioactive decay, the half-life is the length of time after which there is a 50% chance that an atom will have undergone nuclear decay. It varies depending on the atom type and isotope, and is usually determined experimentally.
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Okay, biology isn't exactly my strongest subject (it never has been), but I'm pretty sure the answer is nucleotides. DNA is made up of nucleotides. Each nucleotide contains a phosphate group, a sugar group, and a nitrogen base. There are four different nitrogen bases: adenine (A), thymine (T), guanine (G), and cytosine (C). A always pairs with T, and G always pairs with C.
Hi,
The answer is A.
"The sensation stage of the erotic stimulus pathway theory is similar to the excitement and orgasm phases of the epor model."
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r3t40
The cartilaginous structures<span> that ring most mammalian tracheae are ... The </span>trachea<span> is</span>lined<span> with a moist mucous-membrane layer composed of </span>cells<span> containing small hairlike projections called </span>cilia<span>. ... </span>Such<span> outgrowths could </span>have<span> been useful to insects exposed by the drying up of a temporary aquatic.
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The answer to your question is true