1. Which of the following methods could be used by a farmer to conserve water and prevent pollution? (AKS 3f, DOK 1) a.
b. use contour plowing and distribute natural pesticides
c. water crops during the day and use more artificial pesticides
d. use a sprinkler system to water crops and distribute organic pesticides

it should be c, women were allowed to vote in all states because federal law supersedes state law.

"states can make their own laws, as long as they don't contradict what the federal law states. the states do not have the authority to pass a law that negates a federal law." -google

a.indigo and cochineal

b.animal hides

c.silver and gold

e.cacao beans and sugarcane