Oxygen is denoted as how many protons in neutrons does an oxygen atom have

Someone me with this: a mineral' is determined by its actomic structure.

To determine if a particular plant is homozygous or heterozygous, you would have to test cross with a

Collin would like to use the data a coworker has entered in a database. the problem is the coworker's database software is different from collin's. collin should