Which of the following describes the relationship between elements of an ecosystem?
a. elements of ecosystems are mutually dependent on each other.
b. there is no relationship between elements within an ecosystem.
c. abiotic elements are dependent on each other, while biotic elements are not dependent each other.
d. a cause and effect relationship is limited to abiotic elements only
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Astate's representation in the u.s. senate is based on a) equal representation. b) the state's population. c) the state's electoral votes. d) the size of their major cities.this independent regulatory agency was created in 1974 to oversee and regulate the financing of political campaigns in the united states. a) warren cthis independent regulatory agency was created in 1974 to oversee and regulate the financing of political campaigns in the united states. a) warren commission (wc) b) federal election commission (fec) c) equal opportunity commission (eoc) d) securities and exchange commission (sec)