1.3.1 Natural gas is most used source of energy by power stations in South Africa to generate electricity. (2)

1.3.3 The “Law of Conservation of Energy” states that energy can be created and destroyed. (2)

2.3.4 Give a reason for your answer in 2.3.3. (2)

1.1.3  Why does the air conditioner unit in a room have to be placed at the top of the room? (2)

1.1.1 Which one is the worst heat conductor? (2)

The basic unit of life is the __________________

Which two functional groups are found in an amino acid 

Substances that are __________________ tend to repel or dislike water.  

The study of life is called ______________________________

The study of life is called _____________________________–