A plant that does not need much water to grow:
rose plant
date palm
cacti
sunflower plant
Minute opening is called
ore
pore
core
sore
Sandy soil contains sand to about
10-15%
60-70%
70-80%
none of these
How many types of weathering are there?
1
2
3
4
The natural process of breaking down of huge pieces of rocks into fine particles of soil:
Soil profile
weathering
ploughing
tilling
A thing used for making pottery:
sand
soil
clay
mud
A type of weathering that takes place due to temperature changes the action of plants,wind and water
physical
chemical
biological
A method used by farmers to turn the soil over and loosens it.So that it is easy for air to get in:
Welding
Ploughing
Harvesting
Sowing
The dark coloured organic matter found in the top soil:
humus
black soil
A soil poor in nitrogen and humus
Desert soil
Alluvial soil
Red soil
Mountain soil
