Sloane has said that the most remarkable changes in the American cemetery industry in the last 40 years have included a. All of these b. the resurgence of entombment as an important method of disposal c. the steady decline of cremation d. the absence of alternatives to earth burial e. None of these

b. the resurgence of entombment as an important method of disposal

Explanation:

Sloane says the resurgence of entombment as an important method of disposal is one of the most notable changes in the American cemetery industry in the past 40 years.

Entombment term used to name a situation where a body of someone who has already died is kept in a grave placed in a fixed place, a deposit that is established taking into account the size of the body that will be placed there.

b. the resurgence of entombment as an important method of disposal

Explanation: Entombment refers to a method of disposing the dead. It could be human or animal. It involves placing a dead body or cremation remains( ash of a burnt dead body) into a tomb. The dead remain is positioned in a casket and placed in a burial structure such as mausoleum or crypt.

Sloane was quoted as saying "The most remarkable changes in the American cemetery industry in the last forty years have been the resurgence of entombment as an important method of disposal and the steady, recently spectacular rise of cremation".

the factors that the economies of the muslim empires prosper were:

1- land trade routes-located between three continents  

2- sea trade routes

trade contributed to the spread of muslim empires, and with that islamic culture led to a growing feeling of internationalism resulted in the transfer of technology, science, and other cultural forms.