Human impact on the environment is often more dramatic than the impact of most other living things because humans have a greater A. Need for water
B. Need for food
C. Need for air
D. Ability to filter water
E. Ability to adapt to change
F. Ability to alter the environment

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.