Which of the following U. S. citizenship to Puerto Rican’s and have the president the power to appoint the governor and members of the upper house of legislature

c. the dred scott v. sandford case,

the answer is actually b.   as habitats are destroyed, animals and plants may become extinct.   , according to edge nuity

travels along an axon. this triggers a wave of electrical activity that passes from the cell body along the length of the axon to the synapse