rocks and soil

The Earth is made up of

(a)  

The hardest rock is

(a)  

The soft rock is

(a)  

The action of sunlight, water and wind, changes in weather, broke the rock into smaller pieces to form

(a)  

soil is made ups of

• tiny pieces of rocks

• humus

• both

The bottom layer of the soil is

(a)  

Rotted plants and animals is

• gravel

• humus

• loam

• clay

The colour of the humus is

• dark black

• dark brown

• yellow

• a&b

What does soil contain

(a)  

The soil with large particles is

• clayey

• sandy

• loamy

• humus