Answer:
look at these two websites
Non-Living Infectious Agents - SPH - Boston Universitysphweb.bumc.bu.edu › otlt › MPH-Modules › PH709_InfectiousAgen...
May 4, 2016 - Criteria for Life. Scientists generally agree that there are four requisite characteristics of living organisms. They have one or more cells with DNA.
Are Viruses Alive? - Scientific Americanwww.scientificamerican.com
Explanation:
The smallest bone is stapes
The inability to start a pregnancy after having unprotected vaginal intercourse for More than a year or the inability to stay pregnant for the length of anormal pregnancy Can be defined as infertility