Which statement from hatchet contains a cause-and-effect relationship

Can someone give me advice on how to learn the hawaiian language.

1which legislation enacted in the south after the civil war promoted "separate but equal" facilities for different races? a. fourteenth amendment b. jim crow laws c. emancipation proclamation d. fifteenth amendment

Identify the structure of the human heart which is a muscular chamber that pumps blood out of the heart and into the circulatory system.