In What Way Is the Facial Expression of Fear Useful

question 38

Multiple Choice

In what way is the facial expression of fear useful to the person expressing it?​

• A)Raising the skin of the forehead is best for camouflaging from a predator.
• B)​A wide-open mouth is best for detecting a gust of wind.
• C)​Inhaling deeply is best for detecting a dangerous smell.
• D)​Wide-open eyes are best for locating a dangerous object.

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Definitions:

Second Highest Bid

In auctions, it is the bid that ranks immediately below the highest bid, often significant in auction types where the winner pays the amount of the second-highest bid.

Vickery Auctions

A type of sealed-bid auction where the highest bidder wins but pays the second-highest bid price, encouraging true valuation in bids.

Oral Auctions

Public sales where goods or services are sold to the highest bidder through verbal bids, often conducted in real-time with an auctioneer.

Sealed Bid Auctions

A type of auction where all bidders submit their bids without knowledge of the bids offered by other participants, often used in government contracts and private sales.