In medicine, placebos have been used as a practice in order to understand the effectiveness of new medications. Watch this brief background video - The Power of the Placebo Effect.
Based on your previous reading from Section 1.5 and after watching the video, which of the following groups (experimental or control)
could create The Placebo Effect? Explain your response.

The fish shown above is a tarpon. it is a fast-swimming and powerful open-water fish. its closest relatives, oddly, are burrow-dwelling conger eels that stay on the bottom. both eels and tarpon developed from snake-like larvae that float in the plankton during the first stages of life. once they mature, tarpon and eels are not found near one another in the ocean. the tarpon and the eel illustrate all of the following except

This part insulates the reaction chamber from the transfer of heat to or from the surrounding environment

Why are current extinctions of concern to enviromentalists?