An auction where visitors describe items or services they want to buy, and a group of participating merchants reply with offers to supply the item at a particular price is called a

Reverse bid

Explanation:

 The reverse bid is one of the type of reverse auction where the sellers are bidding for the products price at the auction and they sell their items ate the best price.

In this type of auction the buyer shows an interest for the products and the services and they puts up request for specific item.

 According to the given question, an auction is the place where the visitor and buyers are participating in the auction and the seller give different types of offers for the products at the specific price and this is known as the reverse bid.

 Therefore, Reverse bid is the correct answer.

the correct answer is 2.

a slump in geology means a mass movement process of slope failure. a mass of rock or unconsolidated material drops along a slip surface. in other words, rock layers move a short distance down the slope. the slump block is an intact block (2), without any landslide material.

in this image, 1 is the surface of rapture (scarp), 2 the slump block, 3 main scarp (crown), 4 base of rapture with debris flow.

slumps are caused by clear cutting on unstable soils and the sagging of earth, in coastal areas they are due to wave infiltration.

b) trade is easy because of the direct line between their major ports. bilateral trade reached 89,6 thousand million.