Plates at our planet's surface move because of the intense heat in the Earth's core that causes molten rock in the mantle layer to move. It moves in a pattern called a convection cell that forms when warm material rises, cools, and eventually sink down. As the cooled material sinks down, it is warmed and rises again.
Robert Hooke discovered Nucleus in the cell !!
So, C is the most appropriate answer !! as nucleus contains genetic material and is passed to daughter cells !!
The answer is D “ to provide shade for the plant”
The appropriate response by the nurse is that it is best that the husband should be there for her wife as she is at the transition phase of the first stage as the wife needs the support and assistance that she could get, especially from her husband and that she may experience a lot of pain and that emotional support must be given by her husband to at least calm his wife.