The answer to this question is whether
1) Are they reliable?
2) Are they relevant?
3) Are they recent?
4) Are they sound resources?
5) Are they a primary source?
6) Are they a secondary source?
The element has about 47 protons
As of 2014, it was often reported in popular media and in the scientific literature that there are about 10<span> times as many microbial cells in the human body than there are human cells; this figure was based on estimates that the human microbiome includes around </span>100 trillion<span> bacterial cells and an adult human</span>
A force is a push or a pull. When one object pushes or pulls another object, you say that the first object is exerting a force on the second object.