The most common atom that introduces functionality into a carbon chain is Question 4 options: A) fluorine. B) nitrogen. C) chlorine. D) oxygen.

Embryos of different species look very similar, which shows that the organisms share a ancestor.

An electrons position cannot be known precisely only it's probability of being in a certain location can be known

What are the three major branches of natural science? • earth and space science, life science, physical science •earth and space science, physical science, chemistry •physical science, life science, chemistry •life science, chemistry, physics