The 7 hierarchies are kingdom, phylum, class, order, genus, and species.
the 5 living things are plants, animal, fungi, protist, and bacteria.
HOPE THIS HELP <3
<span>Well, deep ocean trenches form on a specific type of plate boundary called a subduction zone, and these zones occur when an ocean plate collides with another ocean plate. Hope I helped.</span>
Answer:

Cost : The expenditure incurred by a producer on the factor as well as non-factor inputs for a given amount of output of a commodity.