The structure of hair is formed by keratin. keratin is most likely which of the following polymers? a) nucleic acid . b) lipid . c) starch . d) protein.

Is this a single replacement reaction or there is no

22. a flask containing 450 ml of 0.50 m h2so4 was accidentally knocked to the floor. how many grams of nahco, do you need to put on the spill to neutralize the acid according to the following equation: h2so4(aq)+2 nahcos(aq) na,so(aq) +2 h20()+2 co2(g) d) 38 g a) 2.3 g b) 9.5 g c) 19 g

All motion is caused by force? true or false