How is a poem's rhyme scheme marked and identified? upper or lowercase letters, such as “ABAB”
Roman numerals, such as “I, II, I, II”
Arabic numerals, such as “1212”
punctuation symbols, such as “!?!?”

Identify a specific example for each type of technology

Assuming complete dissociation of the solute, how many grams of kno3 must be added to 275 ml of water to produce a solution that freezes at -14.5 c? the freezing point for pure water is 0.0 c and k_f is equal to 1.86 c/m

Harry lives in a city, and he has a lung condition known as asthma. on certain days, harry has to stay inside because pollutants in the air make it difficult for him to breathe. which of these pollution sources are nonpoint sources that might bother harry if he goes outside? choose the two that apply.