17. Ciertas algas marinas contienen una concentración de yodo mayor dentro de sus células que que
contiene el agua de mar que las rodea. La energia
que se requiere para mantener esta diferencia de
concentración está más estrechamente asociada con
la acción de

answer; motor (efferent)neurons;

answer transpiration;

answer;

-chlorine

explanation;

-toxic industrial chemicals are industrial chemicals that are manufactured, stored, transported, and used throughout the world. toxic industrial chemicals can be in the gas, liquid, or solid state.

-they can be chemical hazards (e.g., carcinogens, reproductive hazards, corrosives, or agents that affect the lungs or blood) or physical hazards (e.g., flammable, combustible, explosive, or reactive).

i believe this is true, if you're asking for whether its true or false. : )