Which two formulas represent Arrhenius acids
A)CH3COOH and CH3CH2OH
B)HC2H3O2 and KHSO4
C) KHCO3 and KHSO4
D) NaSCN and NA2S2O3

the only liquid elements at standard temperature and pressure are bromine (br) and mercury (hg). although, elements caesium (cs), rubidium (rb), francium (fr) and gallium (ga) become liquid at or just above room temperature.

explanation:

answer; /// the amount of material dissolved in a measure of liquid(concentration) the above statement is (true); /// good luck

im not exactly sure but i think its b!

under a microscope, cancer cells may look very different from normal cells. they often have different sizes and some may be larger than normal while others are smaller. cancer cells are often abnormally shaped and the control centre of the cell (the nucleus) may have an abnormal appearance.

i think? ?