If anyone could help that would be awesome! Define an acid based on Ion concentration, pH values and real world examples.

Alaska and northern canada have a diet rich in vitamin d and their skin color is darker than predicted on the basis of iv intensity at their latitude. explain the observation:

The term equestrian relates to which animal? bulls cows horses pigs

What is a sex-linked genetic disorder that disrupts the blood's ability to clot? a.achondroplasia b.huntington's disease c.hemophilia d.albinism