Does the Law of diminishing marginal utility apply to hobbies like collecting baseball cards or comic books?

Each autumn the forest floor is covered by leaves that have fallen from trees which type of organisms is most effective in decomposing the leaf tissue allowing the nutrients and minerals to be recycled in the environment?

What is the effect of mori's introducing japanese terms especially ronin paragraph 6 at the beginning of her essay

The biome pictured above is found in areas such as kenya and south africa. the land is grass-covered with very few trees and gazelles and other grazers are common here. why does this biome have a low population of trees? a) large grazing animals destroy the trees. b) it is a deforested rainforest with poor soil. c) it has high temperatures and low precipitation. d) it has a long rainy season followed by flooding.