Slot machines tend to keep gamblers playing by using a schedule of reinforcement.

a.
fixed-interval

b.
variable-interval

c.
fixed-ratio

d.
variable-ratio

What is the "great pacific garbage patch"? a large area of marine debris concentrated by rotating ocean currents a large area around the pacific rim where debris collects from natural disasters such as tsunamis an area in the pacific ocean where trash is intentionally dumped due to lack of landfill availability a large trash dump located in hawaii

How does the author's purpose in this passage differ from an author writing about her personal struggle living with asthma?

Most crimes involve some evidence relating to the human body; for that reason, what related science is frequently used in forensic investigations? a)psychiatry b)physics c)botany d)biology