Lichens grow on:
soil
water
rocks
pots
The natural process of breaking down of huge pieces of rocks into fine particles of soil:
Soil profile
weathering
ploughing
tilling
What do farmers and gardeners need as it is most suitable for growing plants?
fertilizers
loam
pesticides
none of these
Soil is formed by the breaking up of
minerals
plants
mud
A soil poor in nitrogen and humus
Desert soil
Alluvial soil
Red soil
Mountain soil
Sandy soil contains sand to about
10-15%
60-70%
70-80%
A plant that does not need much water to grow:
rose plant
date palm
cacti
sunflower plant
A thing used for making pottery:
sand
clay
Minute opening is called
ore
pore
core
sore
The tiny space between soil particles is called:
pore space
empty space
outer space
stomata
