Answer:

Explanation:
Hello,
In this case, the pH is computed by:
![pH=-log([H^+])](https://tex.z-dn.net/?f=pH%3D-log%28%5BH%5E%2B%5D%29)
Whereas the concentration of hydrogen ions equals the concentration of the acid for strong acids such as hydrochloric acid (HCl) due to its complete ionization in solution, which means that such concentration is 0.00125 M. Thus, the pH turns out:

Regards.
Both of the parents are heterozygous
Adaptations in humans can be physiological, genetic, or cultural, which allow people to live in a wide variety of climates. There has been a great deal of research done on developmental adjustment, acclimatization, and cultural practices, but less research on genetic adaptations to cold and heat temperatures.
Im not totally sure but i think that answer C is correct sorry if im wrong hope it helps:)
Answer:
The correct answer is option a.trouble seeing in sunlight.
Explanation:
This type of symptom is not normal to acquire with age, and it is called Photophobia.
This generates extreme sensitivity to sunlight or bright artificial light, it can even cause pain.
This can usually <u>be caused by other medical conditions</u> that are usually <u>migranine, swelling inside the eye or having dry eyes.
</u>
This type of sensitivity is generated by a connection that exists between the part of the eye responsible for detecting light, and a nerve that is connected to the head.
We must clarify that photophobia is not a disease, but a symptom. Therefore, to treat it you have to get to the root problem that is causing this symptom.