Its A. this one is so easy for me ;)
In computer programming<span>, </span>null<span> is both a value and a pointer. </span>Null<span> is a built-in constant that has a value of zero. It is the same as the character \0 used to terminate strings in C. </span>Null<span> can also be the value of a pointer, which is the same as zero unless the CPU supports a special bit pattern for a </span>null<span> pointer.</span>
Solutions are easy to find on the web. It is important to understand that the full adder takes in a carry from the previous stage (and produces one), whereas a half adder only has A and B inputs and only produces a carry.
Answer: Hyperoxic alligators show significantly lower breathing rates than their siblings in normoxic and hypoxic groups. Conversely, each breath supports greater oxygen consumption in hyperoxic animals than in other groups. Statistical significance between groups was calculated by ANOVA with post hoc Tukey–Kramer
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