Question

answer in one word or sentence 1. Name the factor that affects soil formation . 2. Which layer of the soil provides support to plants? 3. What is mulching? 4. What is meant by water contamination?

Answer 1

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Answer 2

Answer:

1. Scientists attribute soil formation to

the following factors: Parent material,

climate, biota (organisms), topography

and time.

2.Top soil

3. A mulch is a layer of material applied to the

surface of soil. Reasons for applying mulch

include conservation of soil moisture, improving

fertility and health of the soil, reducing weed

growth and enhancing the visual appeal of the

4. Water contamination is the state of water when it is full of contaminants like sand etc.