The evidence would be all the different types of species
Answer:
I think it is quite an interesting idea to allow parents to 'design' their children before birth. Because some people have preferences and those preferences are taken very seriously. I wouldn't want to have a baby boy, I would want a baby girl. Although, this could be a waste of money and time because this might be one of the things that are better not to be fixed even if it isn't broken. But, this can also be good, if you desperately need a child with specific features, this can help. Even if I can't seem to find a reason where a child is supposed to have specific features.
Explanation:
Pretty sure the answer is B as erosion happens from weather or rain
usually, ionic bond occurs between metal and non metal
here Na is metal and Cl is non metal
so bond in NaCl is ionic bond
