Smog and other forms of pollution from urban cities can create more carbon dioxide as well as global warming and, in turn, affect rural areas that rely on energy resources for their crops and farmland. also increases the concentration of carbon dioxide which scientists believe is increase atmospheric temperatures worldwide. a) plants b) deforestation c) crop rotation d) acid precipitation

Charles darwin published his theory of evolution in 1859. in what way foes modern evolutionary theory differ from the theory as proposed by darwin? a) darwin inferred that individuals can evolve, but modern generic science has shown that this is not true. b)darwin inferred that individuals do not evolve, but modern genetic science has shown that this is not true. c)modern science has disproved most of darwin's original theory of evolution, because darwin knew nothing about generations and their role in heredity. d)generic studies have shown that gene expression and other factors operate along with natural selection, but most of darwin's theory has been supported by modern science.

What are the formed elements (cell or parts of cell) in blood and what are their functions ?

Dna replication occurs in preparation for