Which statement best contrasts pioneer species and climax communities? Pioneer species are involved in the first stage of succession, and climax communities are involved in the final stage of succession. Pioneer species are involved in the final stage of succession, and climax communities are involved in the first stage of succession. A pioneer species will change into a different species in the climax community. A climax community is made up of multiple pioneer species.

Why does physical weathering speed up the processes of chemical weathering? a) physical weathering requires abundant water, as does chemical weathering. b) physical weathering produces fresh surfaces for chemical weathering to attack. c) chemical weathering can occur only on small surfaces, not large ones. d) chemical weathering requires salt, which is provided by salt wedging.

Plants can have a positive and negative effect on the rate of weathering

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)