Answer is: yes, it is <span>possible to be </span>reinfected<span> with the norovirus.
</span>Noroviruses ( food poisoning) are cause of acute gastroenteritis - diarrhea and vomiting. People are infected with noroviruses when they eat or drink contaminated foods and liquors. <span>Once someone </span><span>caught </span>norovirus<span>, </span>they<span> are immune to the illness for around 14 weeks.</span>
Answer:
You need to know the conditions required for natural selection to occur. These include: overproduction of offspring, inherited variation, and the struggle to survive, which result in differential reproductive success. You need to understand genetic drift and gene flow
Explanation:
Nails are made of iron because, iron is strong and sturdy; although nail rust when it undergoes oxidation when expose to water but it is not explosive.
Barium and phosphorus are not suitable for nail making because of their properties.
Barium is an element which reacts with virtually all non metals, forming poisonous products which are dangerous to health and to the environment. It also reacts explosively with water.
Phosphorus is not found in its pure form in nature, it conducts electricity and it is combustible in nature.<span />
