Its where one plate moves under another and is forced or sinks due to gravity into the mantle. This is where you get your sinkholes from.
Water pollution because the rain will carry off into a stream or some sort of body of water with the fertilizer and cause the pollution
Your DNA came from them via meiosis and fertilization.
So, basically you are half dad and half mom.
It is phenotype becoz smoothness is outer character
A group of tissues working together to perform a closely related function is called a organ. Hope this helps! Have a ncie day!