rapid burial
absence or limited oxygen
undistributed by geological forces
When water freezes(ice) it expands slightly
think ice cube tray, and why the amount of ice you get is more than the amount of water you put in<span />
Sunlight help to provide energy to the plant to complete the process. Basically, the plant harvest the solar energy.
A physical change occur when objects or substances undergo a change that does not change in which the composition of a substance changes or one or more substances combine or break up from new substances.
