Which title best fits Rahma's notes? Rahma took these notes on a process involving the
movement of molecules, but she forgot to title them.
-Causes molecules to move until they are evenly
distributed
-Moves from high concentration to low concentration
-Has no need for added energy
-Can occur with or without a membrane being present
O Active Transport in Cells
O Passive Transport in Cells
O Osmosis
O Diffusion

How is an endothermic reaction identified

Which can be observed only in a microscopic view? a) structure of a muscle cell b) shape of a soybean plant c) foam insulation d) x-ray of a knee joint

Two changes are described below. a green banana turns yellow and ripens. a layer of rust forms on an iron nail. which statement is true about the two changes? a) both are chemical changes because new substances are formed. b) both are physical changes because only the physical state of the substances change. c) a is a physical change due to a change of state, but b is a chemical change because new molecules are formed. d) a is a chemical change due to a change of state, but b is a physical change because new molecules are formed.