A) The source is probably not valid because it is based on an opinion.
He or she that wrote it did not go into a lab and see if the resources are true its just based on what he thinks it is.
Your pulse can show you so much things! You can try to detect murmurs, or irregular heart beats, or you can see if your heart rate is in a healthy zone.
They are all examples of depressants or antidepressants i think
<span> is a </span>court summons<span> ordering the recipient to appear before the court and produce documents or other tangible </span>evidence<span> for use at a </span>hearing<span> or </span>trial<span>.</span>
