Place the following energy sources in order of their least net carbon dixide emission into the atmosphere, where 1. = lowest net carbon, and 5. = highest net carbon. in your calculation, take into account: how much carbon dioxide (or co2 equivalent) is emitted per unit energy generated. if the source is renewable, how much carbon dixide (or co2 equivalent) is removed from the atmosphere each year by that resource. how much energy is needed to produce and deliver that energy source. biodiesel (algae-based) nuclear biochar sequestration (produced by torrefaction or pyrolysis). biogas (recovered biogenic methane [landfills, livestock waste]) pyrolysis (biomass gasification)

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each chemical family is represented as a group or column on the periodic table. based on chemical properties, there are 6 types of chemical families. group 1 represents alkali metals, group 2 represents alkaline earth metals, groups 3 to 12 represent transition metals, groups 13 to 16 represent non-metals and other metals, group 17 represents halogens and group 18 represents noble gases.

it was spontaneous.

"ain't i a woman? " is the name given to a speech, delivered extemporaneously, by sojourner truth, (1797–1883), born into slavery in new york state.sojourner truth' delivered her famous speech "ain't i a woman? " (which did not have a title at that moment) was given without any previous preparation. her dissertation took place at the women's convention in akron, ohio, in 1851.