During the study discussed in the passage, different sized circles were displayed before a shock was delivered to the participants. The shock and the resulting fear are examples of which aspects of classical conditioning, respectively?
Unconditioned stimulus and unconditioned response

The shock is an unconditioned stimulus because it triggers a naturally- occurring response, and the fear is an unconditioned response that naturally occurs when presented with a shock.

The chart shows four articles read by the students in a science class

Globalization is the process of the world becoming more connected. like any process that involves economic choices, it has positive and negative consequences. (essay prompt)

Which is the best conclusion that can be drawn regarding the status of african-americans in the south in the late 1800s? a) african-americans made tremendous political, social, and economic advancements during the reconstruction era. b) passage of the 13th, 14th, and 15th amendments to the u.s. constitution guaranteed equal status and rights for all african-americans. c) the reconstruction policies enacted by the federal government were highly effective in african-american citizens transition to life after slavery. d) although african-americans had equal rights under federal law they were still economically, politically, and socially inferior to whites in the south during the reconstruction era.