Which soil layer contains the most organic matter?

What were some of the different and mutual demands of the various national unions? what tactics did they employ to realize their demands?

What words in the preamble to the constitution reflect the principle of popular sovereignty

Which statement below accurately describes the carrying capacity of any ecosystem? a. it is not affected by any abiotic or biotic resources. b. it does not affect the species of an ecosystem. c. it is completely dependent upon the food supply. d. it is affected by both abiotic and biotic resources