In mammals the digestive tract is made up of multiple such as the stomach, pancreas and intestines.
These all work together to form the
we use to digest food.

1. explain hydrogen peroxide, h 2 o 2 properties and decomposition reaction. 2. describe how each of the following natural cycles plays a part in earth’s climate system. (a) the water cycle (b) the carbon cycle

The melting point of sulfur is 115 °c and its boiling point is 445 °c. what state would sulfur be in at 200 °c?

How could a student test the effect of removing heat from a gas that is stored in a sealed container? what must occur in order for matter to change states?