Organisms altering their environment
The answer to this question is: Monitoring of COMMAND SECURITY (COMSEC) processes and procedures.Communications security (COMSEC<span>) is the steps that could be carried oyt in the prevention of unauthorized access to telecommunications traffic The procedures will help people to understand basic first-aid to prevent their personal gadget from being hacked by a third party.</span>
I personally think B because she uses one of her materials
B) Covalent, the answer you have been looking for.
Micro-organisms can spread to person to person
