The atomic mass is the
number of protons plus
the number of neutrons
number of protons plus
the number of electrons
number of neutrons
number of protons

The spermists believed that: the male made the only hereditary contribution to the offspring the male and female traits were blended in the offspring the female made the only hereditary contribution to the offspring the male and the female made equal contributions to the next generation

There are fewer than 100 naturally occurring elements in the universe, but there are millions of different unified substances. explain how this can be true.

How many bones are there in the human body?