As a marine biologist, you are trying to teach a dolphin to jump over a bar. At first, you reward the dolphin every time it swims near the bar. Then, you only reward her when she emerges from the water near the bar. Eventually, you reward the dolphin each time she jumps out of the water. Then, you only reward the dolphin when she jumps over the bar. This technique is an example of
A. classical conditioning.
B. spontaneous recovery.
C. discrimination.
D. shaping.
E. positive punishment.

Most of the fossils found in virginia are in the coastal plain, valley, ridge, and appalachian plateau regions, best suggesting that these geographic provinces a) were once covered by seawater. b) are the oldest parts of virginia. c) have a great deal of karst topography. d) have large amounts of sedimentary rock.

Which represents a negative impact of technology

Svetlana and her mother are very similar. both have blonde hair, a love of scrapbooking, blue eyes, and a thin nose. which statement  most likely  describes svetlana’s traits? svetlana inherited her love of scrapbooking from her mother, but her blue eyes come from her environment.svetlana inherited her blue eyes from her mother, but her love of scrapbooking comes from her environment.svetlana inherited her thin nose from her mother, but her blonde hair comes from her environment.svetlana inherited her blonde hair from her mother, but her thin nose comes from her environment.