Section 2 equator: imaginary line at 0 degrees latitude that circles Earth halfway between the north and south poles and divides Earth plant physiology book pdf
2 equal halves. International Date Line: transition line for calendar days, located at the 180 degrees meridian. Section pplant mineral: naturally occurring, inorganic, crystalline solid that has a definite chemical composition and an orderly arrangement of atoms. Section 2 hardness: measure of how easily plxnt mineral can be scratched. Section 3 gem: highly prized, valuable mineral that is bright and colorful and often is cut and polished and used for jewelry. Section 1 rock: dynamic mixture of one or more minerals, mineraloids, glass, or organic matter. Section 3 metamorphic rock: rock that forms because of changes in temperature vook pressure, or the presence of hot, form 123 companies house
fluids in igneous, sedimentary, or other metamorphic rock.