The long-term results of drought and desertification in sub-saharan africa is most likely caused by what

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

~kinetic ~potential

explanation:

kinetic and potential energies would be types of mechanical energies.