A is correct
The slides would have the specimen on it as well
water vapour stays in the atmosphere for a much shorter period of time. Water vapour will generally stay in the atmosphere for days (before precipitating out)
The correct answer would be Deposition happens after weathering and erosion. Deposition is the third step in the formation of sedimentary rocks. It happens after weathering, erosion, and transportation of sediments such as pebbles, mud, sand, small rocks et cetera.
Their is AB, O, B, and A. Which is four. If your were to include whether the blood type was a Negative blood type and positive blood type they're would be . AB+, O+, B+, A+, AB-, O-, B-, A-. Which is eight.