Which of the following correctly uses a conjunction to join two complete sentences? On my vacation I visited San Francisco, and I visited Portland later. On my vacation I visited San Francisco and I visited Portland later On my vacation I visited San Francisco. I also visited Portland later

one of the central themes of edward abbey's work has been his staunch opposition to the glen canyon dam on the colorado river that created lake powell, destroying stunning scenery and wildlife habitat, endangering many rare species of fish and animals, and also irreparably destroying many important archaeological sites which provided information about the early inhabitants of the united states.

“way of writing” should be replaced with “writing style"

“idea” should be replaced with “purpose.”

maybe   “people from a long time ago” should be replaced with “elizabethans.”

which one is underlined?