Answer:
Number 11 is the soil color and the soil texture.
Number 2.a.i. is to protect the seeds from harsh weather conditions e.g. sunlight rainfall etc.
b. water, oxygen and warmth
c.1) Seed dispersal is the scattering of seeds from a mother plant to new areas.
11) Seeds dispersed by wind have wing like structures.
Seeds dispersed by wind are light.
3a. Density=Mass/Volume
=360g/60cm³ then cancel zero and zero then cancel by 6 once by 36÷6 we get 6g/cm³
3bi)Vegetables are a source of food to humans.
Vegetables provide herbal medicine to humans.
ii)Plants require oxygen for germination.
Organisms in soil require air to breathe.
3c)Soil profile is the verticle arrangement of layers from top to bottom.
3d)It helps a farmer to know the fertility of the soil.
Explanation:
