Psychiatric and substance abuse hospitals employed only 3,210 security guards, according to the BLS, less than 8 percent of all hospital guards. However, they were the best paid in the industry, earning an average of $35,000, or $16.83 an hour.
So the basic differences between Cavalry, Artillery and Infantry are as follows. 1  Infantry: Infantry refers to the soldiers on foot. 2  Cavalry: It generally means mounted soldiers. 3  Artillery: It uses large and long ranged weapons.
Answer by 661522. Confidence votes 1.0K. The difference between these two kinds of animals is that vertebrates have a backbone, or a spinal cord. The main thing is that vertebrates have a backbone, spinal cord, and internal skeleton while invertebrates do not.he difference between a vertebrate and an invertebrate is that a vertebrate is an animal with a backbone and an invertebrates is an animal without a backbone. 2 people found this useful. Edit. Share to: jack Wise.