describe how the root systems of the mesquite tree and saguaro cactus root systems different. PLZ help me

When water dissociates, each water molecule splits into a hydroxide ion and a) h 3 o + b) a hydrogen atom c) a hydrogen ion d) h 2 o e) oh —

Which element would mostly likely have an electron affinity measuring closest to zero

An object displaces 652 ml of water. the volume of the object is: 0.652 cm³ 6.52 cm³ 65.2 cm³ 652 cm³