Where does the organic material in soil originate? a. physical weathering
b. chemical weathering
C. decomposing plant and animal matter
d. the atmosphere

Models are non-visual ways of coummincating how someone thinks about something in the natural world

Biology ! the conversion of inorganic carbon to organic carbon by plants during photosynthesis is known as _[blank]_. filtration immigration reabsorption primary production

With regard to enzymes, key is to lock as a) substrate is to activation energy eliminate b) product is to substrate. c) enzyme is to active site. d) substrate is to active site.