Answer:
A few thousand years old.
The answer to the given question above would be the second option. Based on the given scenario above, the reason why the new rodent with the nearby rodents and gets viable but infertile offspring is that the <span>new rodents probably derive from fairly recent ancestors that experienced dispersive allopatric speciation. Hope this helps.</span>
Based on the symptoms, the most likely cause of the problem is formaldehyde used in the building materials.
<h3>What is formaldehyde?</h3>
Formaldehyde is a chemical substance which is used as. preservative of wood and building materials.
It us also present in binders and adhesives.
Exposure to formaldehyde produces adverse effects such as;
- watery eyes
- burning sensations in the eyes, nose, and throat
- nausea and
- skin irritation, etc.
Therefore, based on the symptoms, the most likely cause of the problem is formaldehyde used in the building materials.
Learn more about formaldehyde at: brainly.com/question/14798580
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Full phase occurs when the Moon is on the opposite side of the Earth from the Sun and we see only the illuminated side. On that day it rises as the Sun is setting and sets and the Sun is rising. ... Waning Crescent phase occurs when the eastern edge of the Moon is lit but most of the visible surface is dark.
