1.1 Give ONE term/phrase for each of the following descriptions.

Here are the answers to Question 1:

1.1 Give ONE term/phrase for each of the following descriptions.

• 1.1.1 The soil particle with the diameter of less than 0,002mm. $\boxed{\text{Clay}}$

• 1.1.2 The breaking down of organic matter to form humus. $\boxed{\text{Decomposition}}$

1.2 Change the underlined words in the following statements to make them TRUE.

• 1.2.1 Natural resources such as water, soil and $\underline{\text{machine}}$ cannot be made by people. The correct word to replace "machine" is minerals. $\boxed{\text{Minerals}}$

• 1.2.2 Organic matter consists of dead and decaying plants and animal which is further decomposed by $\underline{\text{atmospheric}}$ organisms. The correct word to replace "atmospheric" is soil. $\boxed{\text{Soil}}$