Answer:
In terms of protocol: the head of a sovereign, independent state is usually identified as the person who, according to that state's constitution, is the reigning monarch, in the case of a monarchy; or the president, in the case of a republic.
Answer:The sliding filament model of muscle contraction, put forward by Hugh Huxley and Jean Hanson in 1954, is 60 years old in 2014. Formulation of the model and subsequent proof was driven by the pioneering work of Hugh Huxley (1924–2013).
Explanation:
Human papillomavirus<span> (</span>HPV<span>)</span>
Explanation:
A student has her prescription medication in her purse at the mall.
A student sells a prescription drug at a school event that is off campus.