Dead rows focus on a person's back muscles. They can be done using either an underhand or overhand grip and usually with a barbell. It can be done using dubbells, though.
Variable ratio
Among the reinforcement schedules, variable ratio is the most productive and the most resistant to extinction. Fixed interval is the least productive and the easiest to extinguish (Figure 1).
Answer:
Middle East Respiratory Syndrome
Explanation:
The first three. Multiple escapes, a safe meeting place, and practice
Answer:
im not very smart but i think b or c
Explanation:
The density, of a substance is its mass per unit volume. basically is mass so its one of the two. i hope i helped! <3