English<span> is the third most common native language in the world, and Mandarin </span>Chinese<span> is is the first. ... In contrast to </span>English<span>, </span>Chinese<span> languages are tonal; for instance, a syllable pronounced with a rising tone may have a </span>different<span> meaning from the same syllable without the rising tone.</span>
The majority of countries in Europe are apart of the European Union, therefore a passport is not required to travel and potentially move to different nations within the designated union.
What I can likely infer about this disease is: B) It is more related to environmental than genetic factors.
<h3>What is an Inference?</h3>
An inference is a deduction that is made about a subject from pieces of available evidence.
Given the results of the research above, we can infer that the disease is more environmental than genetic because the disease did not affect the parents and children that shared genetic features.
Thus, the cause of the disease could be environmental.
Learn more about genetics here:
brainly.com/question/11260069